CVE-2005-3538

hfaxd in HylaFAX 4.2.3, when PAM support is disabled, accepts arbitrary passwords, which allows remote attackers to gain privileges.

Published: 2005-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3538 is rated Moderate Risk (59/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.48%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-3538

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-25 2.37% 2.48% +0.10%
2 2025-03-30 3.12% 2.37% -0.74%
3 2025-03-29 3.12%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3538

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-3538

OS Trackers for CVE-2005-3538

vendor priority summary link
debian not yet assigned CVE-2005-3538 not yet assigned priority: Debian including 1 source packages (hylafax), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-3538
gentoo high CVE-2005-3538: 1 GLSA(s) (200601-03), 1 atom(s) (net-misc/hylafax); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-3538
ubuntu medium CVE-2005-3538 medium priority: Ubuntu including 1 source packages (hylafax), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-3538

Affected software / configurations for CVE-2005-3538

Vendor Product Version Raw CPE
ifax_solutions hylafax 4.2.3 cpe:2.3:a:ifax_solutions:hylafax:4.2.3:*:*:*:*:*:*:*

References for CVE-2005-3538

cvelogic Threat Intelligence