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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |