Bugzilla 2.19.1 through 2.20rc2 and 2.21, with user matching turned on in substring mode, allows attackers to list all users whose names match an arbitrary substring, even when the usevisibilitygroups parameter is set.
Conclusion & alert: CVE-2005-3139 is rated Moderate Risk (40.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.97%). 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.
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 | 0.59% | 0.97% | +0.38% |
| 2 | 2025-03-30 | 0.66% | 0.59% | -0.07% |
| 3 | 2025-03-29 | — | 0.66% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2005-3139 medium priority: Ubuntu including 1 source packages (bugzilla), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 4, released 1. | https://ubuntu.com/security/CVE-2005-3139 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | bugzilla | 2.19.1 | cpe:2.3:a:mozilla:bugzilla:2.19.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.19.2 | cpe:2.3:a:mozilla:bugzilla:2.19.2:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.19.3 | cpe:2.3:a:mozilla:bugzilla:2.19.3:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.20 | cpe:2.3:a:mozilla:bugzilla:2.20:rc1:*:*:*:*:*:* |
| mozilla | bugzilla | 2.20 | cpe:2.3:a:mozilla:bugzilla:2.20:rc2:*:*:*:*:*:* |
| mozilla | bugzilla | 2.21 | cpe:2.3:a:mozilla:bugzilla:2.21:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://marc.info/?l=bugtraq&m=112818466125484&w=2 | |
| http://secunia.com/advisories/17030/ | Patch Vendor Advisory |
| http://www.bugzilla.org/security/2.18.4/ | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/14996 | Patch |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/42799 |