What is CVE-2020-24908?

CVE-2020-24908 is a high-severity vulnerability in Checkmk. CVSS score: 7.8/10. Published 2021-02-19.

How severe is CVE-2020-24908?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Checkmk

CVE-2020-24908

Checkmk before 1.6.0p17 allows local users to obtain SYSTEM privileges via a Trojan horse shell script in the %PROGRAMDATA%\checkmk\agent\local directory.

Published 2021-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Checkmk — versions 1.6.0

References

compass-security.com/fileadmin/Research/Advisories/2020-05_CSNC-2020-005_Checkm… (Third Party Advisory)

Frequently asked questions

What is CVE-2020-24908?: CVE-2020-24908 is a high-severity vulnerability in Checkmk. CVSS score: 7.8/10. Published 2021-02-19.
How severe is CVE-2020-24908?: High severity. CVSS v3 base score is 7.8 out of 10.