CVE-2001-1401: Mozilla Bugzilla

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Bugzilla before 2.14 does not properly restrict access to confidential bugs, which could allow Bugzilla users to bypass viewing permissions via modified bug id parameters in (1) process_bug.cgi, (2) show_activity.cgi, (3) showvotes.cgi, (4) showdependencytree.cgi, (5) showdependencygraph.cgi, (6) showattachment.cgi, or (7) describecomponents.cgi.

Affected products

• Mozilla Bugzilla: version 2.4 only; version 2.6 only; version 2.8 only; version 2.10 only; version 2.12 only; version 2.14 only

Published 2001-09-10. Last modified 2026-06-16.