CVE-2019-4538: IBM Security Directory Server

High severity, CVSS 8.2. EPSS: 1.3% chance of exploitation in the next 30 days.

IBM Security Directory Server 6.4.0 could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim. IBM X-Force ID: 165660.

Affected products

• IBM Security Directory Server: version 6.4.0 only

Published 2019-10-02. Last modified 2026-06-17.