CVE-2021-40904

Publication date 25 March 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
check-mk	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Not in release

Notes

0xnishit

Remove dokuwiki: https://github.com/tribe29/checkmk/commit/44e4b1a77d3aeee4bc835d3858fcc1bb00b80072 upstream removed the whole module and therefore we won’t be applying a fix

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H