CVE-2020-5206: Apereo Opencast

Critical severity, CVSS 10.0. EPSS: 1.3% chance of exploitation in the next 30 days.

In Opencast before 7.6 and 8.1, using a remember-me cookie with an arbitrary username can cause Opencast to assume proper authentication for that user even if the remember-me cookie was incorrect given that the attacked endpoint also allows anonymous access. This way, an attacker can, for example, fake a remember-me token, assume the identity of the global system administrator and request non-public content from the search service without ever providing any proper authentication. This problem is fixed in Opencast 7.6 and Opencast 8.1

Affected products

• Apereo Opencast: before 7.6 (fixed in 7.6); version 8.0 only

Published 2020-01-30. Last modified 2026-06-17.