CVE-2014-0240

The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when run on certain Linux kernels, which allows local users to gain privileges via vectors related to the number of running processes.

Published: 2014-05-27 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-0240 is rated Moderate Risk (40.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). 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-2014-0240

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 2026-03-12 0.31% 0.23% -0.08%
2 2026-03-04 0.10% 0.31% +0.21%
3 2026-03-01 0.10%

Full EPSS history (35 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-0240

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.2 2.0 MEDIUM
AV:L/AC:H/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:H)
Exploitation requires uncommon or highly specific conditions.
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.
1.9 10.0 [email protected]

Weakness enumeration for CVE-2014-0240

OS Trackers for CVE-2014-0240

vendor priority summary link
debian not yet assigned CVE-2014-0240 not yet assigned priority: Debian including 1 source packages (mod-wsgi), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-0240
gentoo high CVE-2014-0240: 1 GLSA(s) (201412-21), 1 atom(s) (www-apache/mod_wsgi); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-0240
redhat high https://access.redhat.com/security/cve/CVE-2014-0240
ubuntu medium CVE-2014-0240 medium priority: Ubuntu including 1 source packages (mod-wsgi), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 4, ignored 1. https://ubuntu.com/security/CVE-2014-0240

Affected software / configurations for CVE-2014-0240

Vendor Product Version Raw CPE
modwsgi mod_wsgi <= 3.4 cpe:2.3:a:modwsgi:mod_wsgi:*:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.0 cpe:2.3:a:modwsgi:mod_wsgi:1.0:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.1 cpe:2.3:a:modwsgi:mod_wsgi:1.1:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.2 cpe:2.3:a:modwsgi:mod_wsgi:1.2:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.3 cpe:2.3:a:modwsgi:mod_wsgi:1.3:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.4 cpe:2.3:a:modwsgi:mod_wsgi:1.4:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.5 cpe:2.3:a:modwsgi:mod_wsgi:1.5:*:*:*:*:*:*:*
modwsgi mod_wsgi 1.6 cpe:2.3:a:modwsgi:mod_wsgi:1.6:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.0 cpe:2.3:a:modwsgi:mod_wsgi:2.0:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.1 cpe:2.3:a:modwsgi:mod_wsgi:2.1:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.2 cpe:2.3:a:modwsgi:mod_wsgi:2.2:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.3 cpe:2.3:a:modwsgi:mod_wsgi:2.3:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.4 cpe:2.3:a:modwsgi:mod_wsgi:2.4:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.5 cpe:2.3:a:modwsgi:mod_wsgi:2.5:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.6 cpe:2.3:a:modwsgi:mod_wsgi:2.6:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.7 cpe:2.3:a:modwsgi:mod_wsgi:2.7:*:*:*:*:*:*:*
modwsgi mod_wsgi 2.8 cpe:2.3:a:modwsgi:mod_wsgi:2.8:*:*:*:*:*:*:*
modwsgi mod_wsgi 3.0 cpe:2.3:a:modwsgi:mod_wsgi:3.0:*:*:*:*:*:*:*
modwsgi mod_wsgi 3.1 cpe:2.3:a:modwsgi:mod_wsgi:3.1:*:*:*:*:*:*:*
modwsgi mod_wsgi 3.2 cpe:2.3:a:modwsgi:mod_wsgi:3.2:*:*:*:*:*:*:*
modwsgi mod_wsgi 3.3 cpe:2.3:a:modwsgi:mod_wsgi:3.3:*:*:*:*:*:*:*

References for CVE-2014-0240

cvelogic Threat Intelligence