CVE-2012-1123: Mantisbt

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9 allows remote attackers to bypass authentication via a null password.

Affected products

• Mantisbt Mantisbt: up to and including 1.2.8; version 0.18.0 only; version 0.19.0 only; version 0.19.1 only; version 0.19.2 only; version 0.19.3 only; …

Published 2012-06-29. Last modified 2026-06-16.