CVE-2011-2977

Bugzilla 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 on Windows does not delete the temporary files associated with uploaded attachments, which allows local users to obtain sensitive information by reading these files. NOTE: this issue exists because of a regression in 3.6.

Published: 2011-08-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-2977 is rated Low Risk (14.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-2011-2977

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 2025-03-17 0.04% 0.07% +0.03%
2 2023-03-07 1.03% 0.04% -0.99%
3 2022-02-04 1.03%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2977

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2011-2977

OS Trackers for CVE-2011-2977

vendor priority summary link
gentoo normal CVE-2011-2977: 1 GLSA(s) (201110-03), 1 atom(s) (www-apps/bugzilla); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2977
ubuntu low CVE-2011-2977 low priority: Ubuntu including 1 source packages (bugzilla), 5 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): not-affected 4, released 1. https://ubuntu.com/security/CVE-2011-2977

Affected software / configurations for CVE-2011-2977

Vendor Product Version Raw CPE
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 3.7 cpe:2.3:a:mozilla:bugzilla:3.7:*:*:*:*:*:*:*
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 cpe:2.3:a:mozilla:bugzilla:4.0:*:*:*:*:*:*:*
mozilla bugzilla 4.0 cpe:2.3:a:mozilla:bugzilla:4.0:rc1:*:*:*:*:*:*
mozilla bugzilla 4.0 cpe:2.3:a:mozilla:bugzilla:4.0:rc2:*:*:*:*:*:*
mozilla bugzilla 4.0.1 cpe:2.3:a:mozilla:bugzilla:4.0.1:*:*:*:*:*:*:*
mozilla bugzilla 4.1 cpe:2.3:a:mozilla:bugzilla:4.1:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2011-2977

cvelogic Threat Intelligence