CVE-2021-40904

8.8 highEPSS 3.7%

High (8.8) in checkmk checkmk. EPSS 3.7% chance of exploitation in the next 30 days.

The web management console of CheckMK Raw Edition (versions 1.5.0 to 1.6.0) allows a misconfiguration of the web-app Dokuwiki (installed by default), which allows embedded php code. As a result, remote code execution is achieved. Successful exploitation requires access to the web management interface, either with valid credentials or with a hijacked session by a user with the role of administrator.

Severity

CVSS 3.1

8.8 high

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

EPSS: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2022-03-25
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

checkmk:checkmk

References

https://github.com/Edgarloyola/CVE-2021-40904
https://github.com/Edgarloyola/CVE-2021-40904

Check your stack JSON