CVE-2019-4541: IBM Security Directory Server

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

IBM Security Directory Server 6.4.0 uses incomplete blacklisting for input validation which allows attackers to bypass application controls resulting in direct impact to the system and data integrity. IBM X-Force ID: 165814.

Affected products

• IBM Security Directory Server: from 6.4.0.0, before 6.4.0.20 (fixed in 6.4.0.20)

Published 2020-02-04. Last modified 2026-06-17.