CVE-2023-2020

4.3 mediumEPSS 0.4%

Medium (4.3) in checkmk checkmk. EPSS 0.4% chance of exploitation in the next 30 days.

Insufficient permission checks in the REST API in Tribe29 Checkmk <= 2.1.0p27 and <= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWEs: CWE-863, CWE-280
Published: 2023-04-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

checkmk:checkmk

References

https://checkmk.com/werk/13981
https://checkmk.com/werk/13981

Check your stack JSON