CVE-2019-25241: FaceSentry Access Control System 6.4.8 contains a critical authentication vulnerability with hard-coded SSH cr

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CRITICAL 9.8REMOTEMITIGATE

CVE-2019-25241 is a critical-severity flaw (CVSS 9.8) affecting facesentry access control system firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-798
Published	2025-12-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: iwt

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-24 20:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

iwt facesentry access control system firmware MITIGATE

Affected: 5.7.0 · 5.7.2 · 6.4.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.7.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · amule · FIXED · 3.2.0-1.fc46 · FEDORA-2026-4feb2647b0 · source

sudo dnf upgrade --advisory=FEDORA-2026-4feb2647b0

Fedora ELN · mysql9.7 · FIXED · 9.7.4-3.eln159 · FEDORA-2026-ea1c50e49b · source

sudo dnf upgrade --advisory=FEDORA-2026-ea1c50e49b

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/47067
Write-up: www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5526.php

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-25241?

facesentry access control system firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25241 being exploited?

CVE-2019-25241 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-25241 affect?

CVE-2019-25241 affects facesentry access control system firmware. Severity is critical (CVSS 9.8). 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

How urgent is CVE-2019-25241?

Priority 61/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Sudo vulnerabilities

Related CVEs

CVE-2019-25279 HIGH 7.5 MITIGATE FaceSentry Access Control System 6.4.8 contains a cleartext password storage vulnerability that allows attacke
CVE-2019-25278 MEDIUM 5.9 MITIGATE FaceSentry Access Control System 6.4.8 contains a cleartext transmission vulnerability that allows remote atta
CVE-2019-25277 MEDIUM 6.1 MITIGATE FaceSentry Access Control System 6.4.8 contains a cross-site scripting vulnerability in the 'msg' parameter of
CVE-2019-25243 HIGH 8.8 MITIGATE FaceSentry 6.4.8 contains an authenticated remote command injection vulnerability in pingTest.php and tcpPortT
CVE-2019-25242 MEDIUM 4.3 MITIGATE FaceSentry Access Control System 6.4.8 contains a cross-site request forgery vulnerability that allows attacke

References

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