CVE-2011-2504

Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain privileges via unspecified Trojan horse code in the current working directory.

Published: 2013-03-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-2504 is rated Low Risk (38.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.40%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2011-2504

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 2026-06-15 0.17% 0.40% +0.22%
2 2025-07-13 0.06% 0.17% +0.12%
3 2025-03-17 0.06%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2504

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.4 10.0 [email protected]

Weakness enumeration for CVE-2011-2504

OS Trackers for CVE-2011-2504

vendor priority summary link
debian low CVE-2011-2504 low priority: Debian including 1 source packages (x11-apps), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-2504
redhat low https://access.redhat.com/security/cve/CVE-2011-2504
ubuntu low CVE-2011-2504 low priority: Ubuntu including 1 source packages (x11-apps), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2011-2504

NVD evaluator notes for CVE-2011-2504

Comment: Per: http://cwe.mitre.org/data/definitions/426.html 'CWE-426: Untrusted Search Path'

Affected software / configurations for CVE-2011-2504

Vendor Product Version Raw CPE
xfree86 x11perf <= 1.5.3 cpe:2.3:a:xfree86:x11perf:*:*:*:*:*:*:*:*
xfree86 x11perf 1.5 cpe:2.3:a:xfree86:x11perf:1.5:*:*:*:*:*:*:*
xfree86 x11perf 1.5.1 cpe:2.3:a:xfree86:x11perf:1.5.1:*:*:*:*:*:*:*
xfree86 x11perf 1.5.2 cpe:2.3:a:xfree86:x11perf:1.5.2:*:*:*:*:*:*:*

References for CVE-2011-2504

cvelogic Threat Intelligence