CVE-2014-8583

mod_wsgi before 4.2.4 for Apache, when creating a daemon process group, does not properly handle when group privileges cannot be dropped, which might allow attackers to gain privileges via unspecified vectors.

Published: 2014-12-16 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-8583 is rated Low Risk (39/100): 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-2014-8583

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 0.11% 0.40% +0.30%
2 2025-12-08 0.04% 0.11% +0.07%
3 2025-10-28 0.04%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8583

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-2014-8583

OS Trackers for CVE-2014-8583

vendor priority summary link
debian not yet assigned CVE-2014-8583 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-2014-8583
gentoo normal CVE-2014-8583: 1 GLSA(s) (201612-49), 1 atom(s) (www-apache/mod_wsgi); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8583
redhat medium https://access.redhat.com/security/cve/CVE-2014-8583
ubuntu medium CVE-2014-8583 medium priority: Ubuntu including 1 source packages (mod-wsgi), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 4, ignored 1. https://ubuntu.com/security/CVE-2014-8583

Affected software / configurations for CVE-2014-8583

Vendor Product Version Raw CPE
modwsgi mod_wsgi <= 4.2.4 cpe:2.3:a:modwsgi:mod_wsgi:*:*:*:*:*:*:*:*

References for CVE-2014-8583

cvelogic Threat Intelligence