Bugzilla 2.16.x before 2.16.3, 2.17.x before 2.17.4, and earlier versions allows local users to overwrite arbitrary files via a symlink attack on temporary files that are created in directories with group-writable or world-writable permissions.
Conclusion & alert: CVE-2003-0603 is rated Low Risk (15.9/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.29%). 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 | 2026-06-15 | 0.06% | 0.29% | +0.23% |
| 2 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 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 | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | bugzilla | 2.10 | cpe:2.3:a:mozilla:bugzilla:2.10:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.12 | cpe:2.3:a:mozilla:bugzilla:2.12:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14 | cpe:2.3:a:mozilla:bugzilla:2.14:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.1 | cpe:2.3:a:mozilla:bugzilla:2.14.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.2 | cpe:2.3:a:mozilla:bugzilla:2.14.2:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.3 | cpe:2.3:a:mozilla:bugzilla:2.14.3:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.4 | cpe:2.3:a:mozilla:bugzilla:2.14.4:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.5 | cpe:2.3:a:mozilla:bugzilla:2.14.5:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16 | cpe:2.3:a:mozilla:bugzilla:2.16:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.1 | cpe:2.3:a:mozilla:bugzilla:2.16.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.2 | cpe:2.3:a:mozilla:bugzilla:2.16.2:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.17 | cpe:2.3:a:mozilla:bugzilla:2.17:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.17.1 | cpe:2.3:a:mozilla:bugzilla:2.17.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.17.3 | cpe:2.3:a:mozilla:bugzilla:2.17.3:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000653 | Vendor Advisory |
| http://www.bugzilla.org/security/2.16.2/ | |
| http://www.securityfocus.com/bid/7412 | Patch Vendor Advisory |