CVE-2003-0603

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.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2003-0603

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0603

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:N/I:P/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2003-0603

Affected software / configurations for CVE-2003-0603

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:*:*:*:*:*:*:*

References for CVE-2003-0603

cvelogic Threat Intelligence