CVE-2021-38984: IBM Security Guardium Key Lifecycle Manager

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 212793.

Affected products

• IBM Security Guardium Key Lifecycle Manager: from 4.1.0, up to and including 4.1.0.1; version 4.1.1 only
• IBM Security Key Lifecycle Manager: from 3.0, up to and including 3.0.0.4; from 3.0.1, up to and including 3.0.1.5; from 4.0, up to and including 4.0.0.3

Published 2021-11-15. Last modified 2026-06-17.