CVE-2017-14337: Misp-Project Misp

High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days.

When MISP before 2.4.80 is configured with X.509 certificate authentication (CertAuth) in conjunction with a non-MISP external user management ReST API, if an external user provides X.509 certificate authentication and this API returns an empty value, the unauthenticated user can be granted access as an arbitrary user.

Affected products

• Misp-Project Misp: up to and including 2.4.79

Published 2017-09-12. Last modified 2026-06-17.