CVE-2009-0486

Bugzilla 3.2.1, 3.0.7, and 3.3.2, when running under mod_perl, calls the srand function at startup time, which causes Apache children to have the same seed and produce insufficiently random numbers for random tokens, which allows remote attackers to bypass cross-site request forgery (CSRF) protection mechanisms and conduct unauthorized activities as other users.

Published: 2009-02-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0486 is rated Moderate Risk (45.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.57%). 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-2009-0486

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 0.14% 0.57% +0.43%
2 2025-03-30 0.20% 0.14% -0.06%
3 2025-03-29 — 0.20% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0486

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-0486

OS Trackers for CVE-2009-0486

vendor priority summary link
gentoo normal CVE-2009-0486: 1 GLSA(s) (201006-19), 1 atom(s) (www-apps/bugzilla); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-0486
redhat medium — https://access.redhat.com/security/cve/CVE-2009-0486
ubuntu medium CVE-2009-0486 medium priority: Ubuntu including 1 source packages (bugzilla), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 5, not-affected 5, released 1. https://ubuntu.com/security/CVE-2009-0486

Affected software / configurations for CVE-2009-0486

Vendor Product Version Raw CPE
mozilla bugzilla 3.0.7 cpe:2.3:a:mozilla:bugzilla:3.0.7:*:*:*:*:*:*:*
mozilla bugzilla 3.2.1 cpe:2.3:a:mozilla:bugzilla:3.2.1:*:*:*:*:*:*:*
mozilla bugzilla 3.3.2 cpe:2.3:a:mozilla:bugzilla:3.3.2:*:*:*:*:*:*:*

References for CVE-2009-0486

cvelogic Threat Intelligence