CVE-2020-8177: Injection in Debian Debian Linux

16

Low

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 1.3% (30-day exploitation probability)+10
Technical severity (high)+6

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

1.29%

ahead of 70% of scored CVEs · Oct 15, 2026

Affects

Debian

Debian Linux and 9 more

CVSS base

7.8

High · 3 source(s)

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

Total

partial · total control of the vulnerable component

Remediation

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

Documented patch — cert-portal.siemens.com (NIST National Vulnerability Database)
Documented patch — www.oracle.com (NIST National Vulnerability Database)

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.

Identify exposed assets running the affected vendor/product/version combinations (Debian Debian Linux, Fujitsu M10-1 Firmware, Fujitsu M10-4 Firmware…).
Apply the fixed version or the patch documented under Remediation.
Search available logs for exploit probes matching the vulnerability class (injection), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Debian	Debian Linux	version 10.0	Vulnerable	NIST National Vulnerability Database
Fujitsu	M10-1 Firmware	< xcp2410< xcp3110	Vulnerable	NIST National Vulnerability Database
Fujitsu	M10-4 Firmware	< xcp2410< xcp3110	Vulnerable	NIST National Vulnerability Database
Fujitsu	M10-4s Firmware	< xcp2410< xcp3110	Vulnerable	NIST National Vulnerability Database
Fujitsu	M12-1 Firmware	< xcp3110< xcp2410	Vulnerable	NIST National Vulnerability Database
Fujitsu	M12-2 Firmware	< xcp3110< xcp2410	Vulnerable	NIST National Vulnerability Database
Fujitsu	M12-2s Firmware	< xcp3110< xcp2410	Vulnerable	NIST National Vulnerability Database
Haxx	Curl	≥ 7.20.0 and ≤ 7.70.0	Vulnerable	NIST National Vulnerability Database
Siemens	Sinec Infrastructure Network Services	< 1.0.1.1	Vulnerable	NIST National Vulnerability Database
Splunk	Universal Forwarder	version 9.1.0≥ 9.0.0 and < 9.0.6≥ 8.2.0 and < 8.2.12	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

Low

Privileges required

Low

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.

Score	Version	Severity	Expl.	Impact	Scored by
7.8	CVSS 3.1	High	1.8	5.9	nvd@nist.gov via NIST National Vulnerability Database
7.8	CVSS 3.1	High	1.8	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0 via NIST National Vulnerability Database
7.8	CVSS 3.1	High	—	—	CISA-ADP via CVE Program (cve.org) e CISA ADP
4.6	CVSS 2.0	Medium	3.9	6.4	nvd@nist.gov via NIST National Vulnerability Database

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-74 · Injection

Other CVEs with this weakness →

EPSS over time FIRST

Oct 14, 2026 → Oct 15, 2026 · 2 reading(s) · max 1.29%

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.
Look for parameters with command/query metacharacters and unexpected child processes of the service.

endpoint telemetry (EDR)application logs

Timeline

What happened to this CVE, newest first.

2026
SSVC assessment updated
Oct 14, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 14, 2026
Fix documented
Oct 14, 2026 · NIST National Vulnerability Database
CVSS changed · 7.8
Oct 14, 2026 · NIST National Vulnerability Database
Source status changed · → Modified
Oct 14, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 14, 2026 · NIST National Vulnerability Database
2020
CVE published
Dec 14, 2020 · hackerone

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 14, 2026 – Oct 14, 2026

References

7 on the record

curl.se/docs/CVE-2020-8177.html
Vendor Advisory, x_refsource_MISC, NIST National Vulnerability Database
www.oracle.com/security-alerts/cpujan2022.html
Patch, Third Party Advisory, x_refsource_MISC, NIST National Vulnerability Database
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Patch, Third Party Advisory, x_refsource_CONFIRM, NIST National Vulnerability Database
hackerone.com/reports/887462
Exploit, Third Party Advisory, x_refsource_MISC, NIST National Vulnerability Database
cert-portal.siemens.com/productcert/html/ssa-389290.html
NIST National Vulnerability Database
cert-portal.siemens.com/productcert/html/ssa-398330.html
NIST National Vulnerability Database
www.debian.org/security/2021/dsa-4881
Third Party Advisory, vendor-advisory, x_refsource_DEBIAN, NIST National Vulnerability Database

Elsewhere on this site

Debian
every CVE for this vendor

Injection
same class

CWE-74
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-80229 OpenSSL provider use-after-free Sep 6, 2026
High CVE-2026-82208 wolfSSL CA-cache hit overrides callback Sep 6, 2026
High CVE-2026-80255 secure cookie attribute bypass with tab Sep 6, 2026
High CVE-2026-80231 native CA store conn reuse Sep 6, 2026
High CVE-2026-80230 OpenSSL pinning bypass Sep 6, 2026
High CVE-2026-82209 domain-scoped PSL domain cookie Sep 6, 2026

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 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-2020-8177 is "Injection in Debian Debian Linux", rated High. It affects Debian Linux (Debian); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.8 describes technical severity. EPSS 1.29% 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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