CVE-2012-0465

Bugzilla 3.5.x and 3.6.x before 3.6.9, 3.7.x and 4.0.x before 4.0.6, and 4.1.x and 4.2.x before 4.2.1, when the inbound_proxies option is enabled, does not properly validate the X-Forwarded-For HTTP header, which allows remote attackers to bypass the lockout policy via a series of authentication requests with (1) different IP address strings in this header or (2) a long string in this header.

Published: 2012-04-27 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-0465 is rated Low Risk (32.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). 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-2012-0465

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 2025-03-30 0.29% 0.24% -0.04%
2 2025-03-29 0.24% 0.29% +0.04%
3 2025-03-17 — 0.24% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0465

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-0465

OS Trackers for CVE-2012-0465

vendor priority summary link
ubuntu medium CVE-2012-0465 medium priority: Ubuntu including 1 source packages (bugzilla), 9 status rows across 9 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 4, ignored 4, released 1. https://ubuntu.com/security/CVE-2012-0465

Affected software / configurations for CVE-2012-0465

Vendor Product Version Raw CPE
mozilla bugzilla 3.5.1 cpe:2.3:a:mozilla:bugzilla:3.5.1:*:*:*:*:*:*:*
mozilla bugzilla 3.5.2 cpe:2.3:a:mozilla:bugzilla:3.5.2:*:*:*:*:*:*:*
mozilla bugzilla 3.5.3 cpe:2.3:a:mozilla:bugzilla:3.5.3:*:*:*:*:*:*:*
mozilla bugzilla 3.6.0 cpe:2.3:a:mozilla:bugzilla:3.6.0:*:*:*:*:*:*:*
mozilla bugzilla 3.6.1 cpe:2.3:a:mozilla:bugzilla:3.6.1:*:*:*:*:*:*:*
mozilla bugzilla 3.6.2 cpe:2.3:a:mozilla:bugzilla:3.6.2:*:*:*:*:*:*:*
mozilla bugzilla 3.6.3 cpe:2.3:a:mozilla:bugzilla:3.6.3:*:*:*:*:*:*:*
mozilla bugzilla 3.6.4 cpe:2.3:a:mozilla:bugzilla:3.6.4:*:*:*:*:*:*:*
mozilla bugzilla 3.6.5 cpe:2.3:a:mozilla:bugzilla:3.6.5:*:*:*:*:*:*:*
mozilla bugzilla 3.6.6 cpe:2.3:a:mozilla:bugzilla:3.6.6:*:*:*:*:*:*:*
mozilla bugzilla 3.6.7 cpe:2.3:a:mozilla:bugzilla:3.6.7:*:*:*:*:*:*:*
mozilla bugzilla 3.6.8 cpe:2.3:a:mozilla:bugzilla:3.6.8:*:*:*:*:*:*:*
mozilla bugzilla 3.7.1 cpe:2.3:a:mozilla:bugzilla:3.7.1:*:*:*:*:*:*:*
mozilla bugzilla 3.7.2 cpe:2.3:a:mozilla:bugzilla:3.7.2:*:*:*:*:*:*:*
mozilla bugzilla 3.7.3 cpe:2.3:a:mozilla:bugzilla:3.7.3:*:*:*:*:*:*:*
mozilla bugzilla 4.0.1 cpe:2.3:a:mozilla:bugzilla:4.0.1:*:*:*:*:*:*:*
mozilla bugzilla 4.0.2 cpe:2.3:a:mozilla:bugzilla:4.0.2:*:*:*:*:*:*:*
mozilla bugzilla 4.0.3 cpe:2.3:a:mozilla:bugzilla:4.0.3:*:*:*:*:*:*:*
mozilla bugzilla 4.0.4 cpe:2.3:a:mozilla:bugzilla:4.0.4:*:*:*:*:*:*:*
mozilla bugzilla 4.0.5 cpe:2.3:a:mozilla:bugzilla:4.0.5:*:*:*:*:*:*:*
mozilla bugzilla 4.1.1 cpe:2.3:a:mozilla:bugzilla:4.1.1:*:*:*:*:*:*:*
mozilla bugzilla 4.1.2 cpe:2.3:a:mozilla:bugzilla:4.1.2:*:*:*:*:*:*:*
mozilla bugzilla 4.1.3 cpe:2.3:a:mozilla:bugzilla:4.1.3:*:*:*:*:*:*:*
mozilla bugzilla 4.2 cpe:2.3:a:mozilla:bugzilla:4.2:*:*:*:*:*:*:*
mozilla bugzilla 4.2 cpe:2.3:a:mozilla:bugzilla:4.2:rc1:*:*:*:*:*:*
mozilla bugzilla 4.2 cpe:2.3:a:mozilla:bugzilla:4.2:rc2:*:*:*:*:*:*

References for CVE-2012-0465

cvelogic Threat Intelligence