CVE-2017-15135: Fedoraproject 389 Directory Server

High severity, CVSS 8.1. EPSS: 3.8% chance of exploitation in the next 30 days.

It was found that 389-ds-base since 1.3.6.1 up to and including 1.4.0.3 did not always handle internal hash comparison operations correctly during the authentication process. A remote, unauthenticated attacker could potentially use this flaw to bypass the authentication process under very rare and specific circumstances.

Affected products

• Fedoraproject 389 Directory Server: from 1.3.6.1, up to and including 1.4.0.3

Published 2018-01-24. Last modified 2026-06-17.