CVE-2020-5281: Cesnet Perun

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.

Affected products

• Cesnet Perun: before 3.9.1 (fixed in 3.9.1)

Published 2020-03-25. Last modified 2026-06-17.