CVE-2021-38977: IBM Security Guardium Key Lifecycle Manager

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 212782.

Affected products

• IBM Security Guardium Key Lifecycle Manager: version 4.1.0 only; version 4.1.0.1 only; 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; version 4.1.0 only; version 4.1.0.1 only; version 4.1.1 only

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