CVE-2014-8567

The mod_auth_mellon module before 0.8.1 allows remote attackers to cause a denial of service (Apache HTTP server crash) via a crafted logout request that triggers a read of uninitialized data.

Published: 2014-11-14 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8567 is rated High Risk (68.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.60%). High exploitation likelihood—assess exposure and prioritize 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-2014-8567

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 2026-04-24 3.82% 3.60% -0.23%
2 2026-02-10 4.43% 3.82% -0.61%
3 2025-04-05 — 4.43% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8567

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.4 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:C/A:C 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:N)
No confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 9.2 [email protected]

Weakness enumeration for CVE-2014-8567

OS Trackers for CVE-2014-8567

vendor priority summary link
debian not yet assigned CVE-2014-8567 not yet assigned priority: Debian including 1 source packages (libapache2-mod-auth-mellon), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-8567
redhat medium — https://access.redhat.com/security/cve/CVE-2014-8567
ubuntu medium CVE-2014-8567 medium priority: Ubuntu including 1 source packages (libapache2-mod-auth-mellon), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, DNE 3, ignored 1, released 1. https://ubuntu.com/security/CVE-2014-8567

Affected software / configurations for CVE-2014-8567

Vendor Product Version Raw CPE
uninett mod_auth_mellon < 0.8.1 cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.6 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 6.6 cpe:2.3:o:redhat:enterprise_linux_server_eus:6.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 6.6 cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

References for CVE-2014-8567

cvelogic Threat Intelligence