Arbitrary file upload in Checkmk - CVE-2021-40905

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Main Vulnerability Database Vulnerabilities #VU65668

Arbitrary file upload in Checkmk - CVE-2021-40905

Published: July 21, 2022


Vulnerability identifier: #VU65668
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40905
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Checkmk
Software vendor:
tribe29 GmbH

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of ".mkp" files during file upload. A remote user can upload a malicious file and execute it on the server.


Remediation

Install updates from vendor's website.

External links