CVE-2020-29663: Icinga

Critical severity, CVSS 9.1. EPSS: 1.6% chance of exploitation in the next 30 days.

Icinga 2 v2.8.0 through v2.11.7 and v2.12.2 has an issue where revoked certificates due for renewal will automatically be renewed, ignoring the CRL. This issue is fixed in Icinga 2 v2.11.8 and v2.12.3.

Affected products

• Icinga Icinga: from 2.8.0, up to and including 2.11.7; version 2.12.2 only

Published 2020-12-15. Last modified 2026-06-17.