CVE-2021-40904 : Exploit Details and Defense Strategies
Learn about CVE-2021-40904, a vulnerability in CheckMK Raw Edition versions 1.5.0 to 1.6.0 allowing remote code execution. Find out the impact, affected systems, and mitigation steps.
This CVE-2021-40904 article provides details about a vulnerability in CheckMK Raw Edition versions 1.5.0 to 1.6.0 that leads to remote code execution.
Understanding CVE-2021-40904
This section delves into the specifics of the CVE-2021-40904 vulnerability.
What is CVE-2021-40904?
The vulnerability in the web management console of CheckMK Raw Edition enables remote code execution due to a misconfiguration in the web-app Dokuwiki.
The Impact of CVE-2021-40904
The successful exploitation of this vulnerability requires access to the web management interface either with valid credentials or via a hijacked session by an administrator.
Technical Details of CVE-2021-40904
Exploring the technical aspects and implications of CVE-2021-40904.
Vulnerability Description
The misconfiguration in Dokuwiki allows embedded PHP code, leading to remote code execution.
Affected Systems and Versions
- Product: CheckMK Raw Edition
- Versions: 1.5.0 to 1.6.0
Exploitation Mechanism
Accessing the web management interface with valid credentials or a hijacked admin session enables the successful exploitation of this vulnerability.
Mitigation and Prevention
Understanding how to mitigate and prevent CVE-2021-40904.
Immediate Steps to Take
- Update CheckMK Raw Edition to a patched version.
- Restrict access to the web management interface.
Long-Term Security Practices
- Regularly review and update web application configurations.
- Implement strong authentication mechanisms.
Patching and Updates
- Apply security patches and updates provided by CheckMK promptly.