CVE-2009-3386

Template.pm in Bugzilla 3.3.2 through 3.4.3 and 3.5 through 3.5.1 allows remote attackers to discover the alias of a private bug by reading the (1) Depends On or (2) Blocks field of a related bug.

Published: 2009-11-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-3386 is rated Moderate Risk (47.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.73%). Core evidence: EPSS rose +1.08% over the last day, indicating growing attacker interest. 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-2009-3386

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 0.65% 1.73% +1.08%
2 2025-03-30 0.94% 0.65% -0.29%
3 2025-03-29 0.94%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3386

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-3386

OS Trackers for CVE-2009-3386

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2009-3386
ubuntu low CVE-2009-3386 low priority: Ubuntu including 1 source packages (bugzilla), 9 status rows across 9 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): ignored 4, not-affected 4, released 1. https://ubuntu.com/security/CVE-2009-3386

Affected software / configurations for CVE-2009-3386

Vendor Product Version Raw CPE
mozilla bugzilla 3.3.2 cpe:2.3:a:mozilla:bugzilla:3.3.2:*:*:*:*:*:*:*
mozilla bugzilla 3.3.3 cpe:2.3:a:mozilla:bugzilla:3.3.3:*:*:*:*:*:*:*
mozilla bugzilla 3.3.4 cpe:2.3:a:mozilla:bugzilla:3.3.4:*:*:*:*:*:*:*
mozilla bugzilla 3.4 cpe:2.3:a:mozilla:bugzilla:3.4:*:*:*:*:*:*:*
mozilla bugzilla 3.4 cpe:2.3:a:mozilla:bugzilla:3.4:rc1:*:*:*:*:*:*
mozilla bugzilla 3.4.1 cpe:2.3:a:mozilla:bugzilla:3.4.1:*:*:*:*:*:*:*
mozilla bugzilla 3.4.2 cpe:2.3:a:mozilla:bugzilla:3.4.2:*:*:*:*:*:*:*
mozilla bugzilla 3.4.3 cpe:2.3:a:mozilla:bugzilla:3.4.3:*:*:*:*:*:*:*
mozilla bugzilla 3.5 cpe:2.3:a:mozilla:bugzilla:3.5:*:*:*:*:*:*:*
mozilla bugzilla 3.5.1 cpe:2.3:a:mozilla:bugzilla:3.5.1:*:*:*:*:*:*:*

References for CVE-2009-3386

cvelogic Threat Intelligence