Critical Authentication exploit reference

CVE-2019-25241 — FaceSentry Access Control System 6.4.8 Remote SSH Root Access

FaceSentry Access Control System 6.4.8 contains a critical authentication vulnerability with hard-coded SSH credentials for the wwwuser account. Attackers can leverage the insecure sudoers configuration to escalate privileges and gain root access by executing sudo commands without authentication.

Published Dec 24, 2025 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: VulnCheck

Moderate

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 0.7% (30-day exploitation probability)+8
Technical severity (critical)+10
CISA SSVC: exploitation "poc"+5
Automatable exploitation (SSVC)+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

0.74%

ahead of 53% of scored CVEs · Oct 14, 2026

Affects

Iwt

FaceSentry Access Control System and 1 more

CVSS base

9.8

Critical · 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

Proof of concept

none · proof-of-concept · active

Automatable

Yes

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.

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.

Identify exposed assets running the affected vendor/product/version combinations (Iwt FaceSentry Access Control System, Iwt Facesentry Access Control System Firmware).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes matching the vulnerability class (authentication), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Iwt	FaceSentry Access Control System	version 6.4.8 build 264version 5.7.2 build 568version 5.7.0 build 539	Vulnerable	CVE Program (cve.org) e CISA ADP
Iwt	Facesentry Access Control System Firmware	version 5.7.0version 5.7.2version 6.4.8	Vulnerable	NIST National Vulnerability Database

Attack characteristics

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

Attack vector

Network

Attack complexity

Low

Privileges required

None

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
9.8	CVSS 3.1	Critical	3.9	5.9	disclosure@vulncheck.com via NIST National Vulnerability Database
9.8	CVSS 3.1	Critical	3.9	5.9	nvd@nist.gov via NIST National Vulnerability Database
9.8	CVSS 3.1	Critical	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP
7.5	CVSS 3.1	High	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP

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

Sources assign different scores within the same severity band. For prioritization we use 9.8 (disclosure@vulncheck.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-798 · Use of Hard-coded Credentials

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.74%

Detection

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

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Review authentication logs: logins without MFA, anomalous sessions and recently created accounts.

web/proxy/WAF logsnetwork IDS/IPSauthentication logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · iwt ltd./facesentry access control system
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 · 9.8
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Modified
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
2025
CVE published
Dec 24, 2025 · VulnCheck

Source activity

Repeated readings are counted rather than listed.

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

References

3 on the record

www.exploit-db.com/exploits/47067
Exploit, Third Party Advisory, VDB Entry, exploit, NIST National Vulnerability Database
www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5526.php
Exploit, Third Party Advisory, third-party-advisory, NIST National Vulnerability Database
www.iwt.com.hk
Product, product, NIST National Vulnerability Database

Elsewhere on this site

Iwt
every CVE for this vendor

Authentication
same class

CWE-798
other pages naming this weakness

Related CVEs (same products)

High CVE-2019-25279 FaceSentry Access Control System 6.4.8 Cleartext Password Storage Vulnerability Jan 7, 2026
Medium CVE-2019-25277 FaceSentry Access Control System 6.4.8 Reflected Cross-Site Scripting via pluginInstall.php Jan 7, 2026
Medium CVE-2019-25278 FaceSentry Access Control System 6.4.8 Authentication Credentials MiTM Disclosure Jan 7, 2026
Medium CVE-2019-25242 FaceSentry Access Control System 6.4.8 Cross-Site Request Forgery via Web Interface Dec 24, 2025
High CVE-2019-25243 FaceSentry 6.4.8 Authenticated Remote Command Injection via Ping Test Dec 24, 2025

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-2019-25241 is "FaceSentry Access Control System 6.4.8 Remote SSH Root Access", rated Critical. It affects FaceSentry Access Control System (Iwt); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 9.8 describes technical severity. EPSS 0.74% 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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