CVE-2021-20450: IBM Cognos Controller

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 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: 196640.

Affected products

• IBM Cognos Controller: version 10.4.1 only; version 10.4.2 only; version 11.0.0 only

Published 2024-05-03. Last modified 2026-06-17.