CVE-2024-28833: Checkmk

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper restriction of excessive authentication attempts with two factor authentication methods in Checkmk 2.3 before 2.3.0p6 facilitates brute-forcing of second factor mechanisms.

Affected products

• Checkmk Checkmk: version 2.3.0 only

Published 2024-06-10. Last modified 2026-06-17.