CVE-2014-6387: Mantisbt

Medium severity, CVSS 5.0. EPSS: 2.1% chance of exploitation in the next 30 days.

gpc_api.php in MantisBT 1.2.17 and earlier allows remote attackers to bypass authenticated via a password starting will a null byte, which triggers an unauthenticated bind.

Affected products

• Mantisbt Mantisbt: up to and including 1.2.17; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; …

Published 2014-10-22. Last modified 2026-06-17.