CVE Intelligence
Medium Input validation

CVE-2021-36343 — Improper Input Validation in Dell Alienware 13 R3 Firmware

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Published Jan 24, 2022 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: dell

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 0.2% (30-day exploitation probability)+2
  • Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
0.24%
ahead of 14% of scored CVEs · Oct 14, 2026
Affects
Dell
Alienware 13 R3 Firmware and 296 more
CVSS base
6.4
Medium · 3 source(s)
Prioritization reference: 7.5 provisional

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Dell Alienware 13 R3 Firmware, Dell Alienware 15 R3 Firmware, Dell Alienware 15 R4 Firmware…).
  2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  3. Search available logs for exploit probes matching the vulnerability class (input validation), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Dell Alienware 13 R3 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Alienware 15 R3 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Alienware 15 R4 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Alienware 17 R4 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Alienware 17 R5 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Alienware Area 51m R1 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Alienware Area 51m R2 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Alienware Aurora R11 Firmware < 1.0.10 Vulnerable NIST National Vulnerability Database
Dell Alienware Aurora R12 Firmware < 1.1.8 Vulnerable NIST National Vulnerability Database
Dell Alienware Aurora R8 Firmware < 1.0.18 Vulnerable NIST National Vulnerability Database
Dell Alienware Aurora R9 Firmware < 1.0.15 Vulnerable NIST National Vulnerability Database
Dell Alienware M15 R1 Firmware < 2.10.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M15 R2 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M15 R3 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M15 R4 Firmware < 1.6.2 Vulnerable NIST National Vulnerability Database
Dell Alienware M17 R1 Firmware < 2.10.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M17 R2 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M17 R3 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Alienware M17 R4 Firmware < 1.6.2 Vulnerable NIST National Vulnerability Database
Dell Alienware X15 R1 Firmware < 1.5.0 Vulnerable NIST National Vulnerability Database
Dell Alienware X17 R1 Firmware < 1.5.0 Vulnerable NIST National Vulnerability Database
Dell Chengming 3977 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Chengming 3980 Firmware < 2.20.0 Vulnerable NIST National Vulnerability Database
Dell Chengming 3988 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Chengming 3990 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Chengming 3991 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell CPG BIOS < 1.14 Vulnerable CVE Program (cve.org) e CISA ADP
Dell Dell G15 5510 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Dell G15 5511 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Dell G3 3500 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Dell G5 5500 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Dell G7 7500 Firmware < 1.11.1 Vulnerable NIST National Vulnerability Database
Dell Dell G7 7700 Firmware < 1.11.1 Vulnerable NIST National Vulnerability Database
Dell Embedded Box Pc 5000 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell G3 3579 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell G3 3590 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell G3 3779 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell G5 5000 Firmware < 1.4.0 Vulnerable NIST National Vulnerability Database
Dell G5 5090 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell G5 5590 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell G7 7587 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell G7 7588 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell G7 7590 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell G7 7790 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 5378 Firmware < 1.35.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 5379 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 7000 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 7370 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 7373 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 13 7378 Firmware < 1.35.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 14 3467 Firmware < 2.17.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 14 3473 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 14 5410 Firmware < 2.4.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 3567 Firmware < 2.17.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 3573 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 5518 Firmware < 2.4.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 5566 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 5578 Firmware < 1.35.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 5579 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 5582 Firmware < 2.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 7570 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 7572 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 7573 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 15 Gaming 7577 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 17 7773 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3268 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3277 Aio Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3280 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3462 Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3470 Firmware < 2.20.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3471 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3472 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3476 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3477 Aio Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3480 Aio Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3480 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3481 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3482 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3490 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3493 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3501 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3502 Firmware < 1.4.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3510 Firmware < 1.3.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3511 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3576 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3580 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3581 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3582 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3590 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3593 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3668 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3670 Firmware < 2.20.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3671 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3780 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3781 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3782 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3790 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3793 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3880 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3881 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 3891 Firmware < 1.2.2 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5300 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5301 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5310 Firmware < 2.5.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5370 Firmware < 1.20.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5390 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5391 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5400 2-in-1 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5400 Aio Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5401 Aio Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5401 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5402 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5406 2-in-1 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5408 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5409 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5410 Firmware < 2.4.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5477 Aio Firmware < 1.2.16 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5480 Firmware < 2.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5481 Firmware < 2.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5482 Firmware < 2.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5490 Aio Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5490 Firmware < 1.16.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5491 2-in-1 Firmware < 1.12.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5491 Aio Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5493 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5494 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5498 Firmware < 1.16.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5501 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5502 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5508 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5509 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5570 Firmware < 1.7.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5580 Firmware < 2.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5583 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5584 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5590 Firmware < 1.16.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5591 2-in-1 Firmware < 1.12.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5593 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5594 Firmware < 1.16.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5598 Firmware < 1.16.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5680 Firmware < 2.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 5770 Firmware < 1.7.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7300 2-in-1 Firmware < 1.5.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7300 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7306 2-in-1 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7380 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7386 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7390 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7391 Firmware < 1.13.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7400 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7472 Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7490 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7500 2-in-1 Firmware < 1.5.0> 1.5.0 and < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7500 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7501 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7506 2-in-1 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7510 Firmware < 1.2.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7580 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7586 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7590 Firmware < 1.12.1> 1.12.1 and < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7591 Firmware < 1.12.1> 1.12.1 and < 1.13.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7610 Firmware < 1.2.1 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7700 Aio Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7706 2-in-1 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7777 Aio Firmware < 1.2.16 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7786 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7790 Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Inspiron 7791 Firmware < 1.13.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 12 5289 2-in-1 Firmware < 1.25.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 12 7280 Ultrabook Firmware < 1.23.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 12 7285 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 12 Rugged Extreme 7214 Firmware < 1.31.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 12 Rugged Tablet 7212 Firmware < 1.35.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 13 7370 Ultrabook Firmware < 1.26.3 Vulnerable NIST National Vulnerability Database
Dell Latitude 13 7389 2-in-1 Firmware < 1.25.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 13 7390 2-in-1 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 14 Rugged 5414 Firmware < 1.31.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3120 Firmware < 1.4.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3180 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3189 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3190 2-in-1 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3190 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3300 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3301 Firmware < 1.12.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3310 2-in-1 Firmware < 1.11.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3310 Firmware < 1.12.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3320 Firmware < 1.7.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3379 Firmware < 1.0.32 Vulnerable NIST National Vulnerability Database
Dell Latitude 3380 Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3390 Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3400 Firmware < 1.20.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3410 Firmware < 1.11.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3420 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3470 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3480 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3490 Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3500 Firmware < 1.20.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3510 Firmware < 1.11.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3520 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3551 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 3570 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3580 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 3590 Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5175 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5179 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5280 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5285 2-in-1 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5288 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5290 2-in-1 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5290 Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5300 2-in-1 Firmware < 1.18.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5300 Firmware < 1.18.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5310 2 In 1 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5310 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5320 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5400 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5401 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5410 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5411 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5420 Firmware < 1.13.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5421 Firmware < 1.6.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5480 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5488 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5490 Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5491 Firmware < 1.17.2 Vulnerable NIST National Vulnerability Database
Dell Latitude 5500 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5501 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5510 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5511 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 5520 Firmware < 1.13.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5521 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5580 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5590 Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 5591 Firmware < 1.17.2 Vulnerable NIST National Vulnerability Database
Dell Latitude 7200 2-in-1 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7210 2-in-1 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7275 2-in-1 Firmware < 1.12.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7290 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7300 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7310 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7320 Detachable Firmware < 1.7.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7320 Firmware < 1.11.3 Vulnerable NIST National Vulnerability Database
Dell Latitude 7380 Firmware < 1.23.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7390 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7400 2-in-1 Firmware < 1.14.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7400 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7410 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 7414 Rugged Extreme Firmware < 1.31.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7420 Firmware < 1.11.3 Vulnerable NIST National Vulnerability Database
Dell Latitude 7480 Firmware < 1.23.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7490 Firmware < 1.22.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 7520 Firmware < 1.11.3 Vulnerable NIST National Vulnerability Database
Dell Latitude 9410 Firmware < 1.9.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 9420 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Latitude 9510 Firmware < 1.8.1 Vulnerable NIST National Vulnerability Database
Dell Latitude 9520 Firmware < 1.8.0 Vulnerable NIST National Vulnerability Database
Dell Latitude E5270 Firmware < 1.28.3 Vulnerable NIST National Vulnerability Database
Dell Latitude E5470 Firmware < 1.28.3 Vulnerable NIST National Vulnerability Database
Dell Latitude E5570 Firmware < 1.28.3 Vulnerable NIST National Vulnerability Database
Dell Latitude E7270 Firmware < 1.31.3 Vulnerable NIST National Vulnerability Database
Dell Latitude E7470 Firmware < 1.31.3 Vulnerable NIST National Vulnerability Database
Dell Latitude Rugged 5420 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Latitude Rugged 5424 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Latitude Rugged 7220 Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude Rugged 7220ex Firmware < 1.15.1 Vulnerable NIST National Vulnerability Database
Dell Latitude Rugged 7424 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3040 Firmware < 1.17.1 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3046 Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3050 Aio Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3050 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3060 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3070 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3080 Firmware < 2.3.1 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3090 Firmware < 1.5.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3240 All-in-one Firmware < 1.14.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 3280 All-in-one Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5040 Firmware < 1.20.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5050 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5060 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5070 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5080 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5090 Tower Firmware < 1.2.1 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5250 Firmware < 1.19.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5260 All-in-one Firmware < 1.16.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5270 All-in-one Firmware < 1.11.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5480 All-in-one Firmware < 1.9.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 5490 Aio Firmware < 1.5.2 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7040 Firmware < 1.21.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7050 Firmware < 1.18.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7060 Firmware < 1.15.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7070 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7070 Uff Firmware < 1.10.1 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7071 Firmware < 1.10.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7080 Firmware < 1.6.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7090 Tower Firmware < 1.2.1 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7090 Uff Firmware < 1.5.0 Vulnerable NIST National Vulnerability Database
Dell Optiplex 7440 Aio Firmware < 1.17.0 Vulnerable NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Local
Attack complexity
High
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
7.5 CVSS 3.1 High 0.8 6.0 security_alert@emc.com via NIST National Vulnerability Database
7.5 CVSS 3.1 High — — dell via CVE Program (cve.org) e CISA ADP
6.4 CVSS 3.1 Medium 0.5 5.9 nvd@nist.gov via NIST National Vulnerability Database
7.2 CVSS 2.0 High 3.9 10.0 nvd@nist.gov via NIST National Vulnerability Database
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H (score shown at the top: nvd@nist.gov)
Scoring entities (NIST, CNA, ADP) score independently; each score is shown with its origin. For prioritization we use 7.5 (security_alert@emc.com via NIST National Vulnerability Database) as a conservative provisional reference — not a definitive official score.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-20 · Improper Input Validation

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.24%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Local/physical vector: focus on endpoint telemetry (EDR) from affected hosts.
endpoint telemetry (EDR)

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · dell/cpg bios
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 13, 2026
  • CVSS changed · 6.4
    Oct 13, 2026 · NIST National Vulnerability Database
  • Source status changed · → Analyzed
    Oct 13, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 13, 2026 · NIST National Vulnerability Database
  • 2022
  • CVE published
    Jan 24, 2022 · dell

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

1 on the record

Elsewhere on this site

Dell
every CVE for this vendor
Input validation
same class
CWE-20
other pages naming this weakness

Related CVEs (same products)

  • CVE-2021-36342 Improper Input Validation in Dell Precision 7510 Firmware Jan 24, 2022
  • CVE-2021-36323 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious... Nov 12, 2021
  • CVE-2021-36324 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious... Nov 12, 2021
  • CVE-2021-36325 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious... Nov 12, 2021

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No fixed version, patch or mitigation documented.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2021-36343 is "Improper Input Validation in Dell Alienware 13 R3 Firmware", rated Medium. It affects Alienware 13 R3 Firmware (Dell); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.4 describes technical severity. EPSS 0.24% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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