CVE-2005-3058: Fortinet Fortigate

High severity, CVSS 7.5. EPSS: 3.1% chance of exploitation in the next 30 days.

Interpretation conflict in Fortinet FortiGate 2.8, running FortiOS 2.8MR10 and v3beta, allows remote attackers to bypass the URL blocker via an (1) HTTP request terminated with a line feed (LF) and not carriage return line feed (CRLF) or (2) HTTP request with no Host field, which is still processed by most web servers without violating RFC2616.

Affected products

• Fortinet Fortigate: version 2.8 only
• Fortinet FortiOS: up to and including 2.8_mr10; up to and including 3_beta

Published 2005-12-31. Last modified 2026-06-16.