CVE-2021-4033 : Security Advisory and Response

Cross-Site Request Forgery (CSRF) vulnerability has been discovered in kevinpapst/kimai2, posing a medium severity threat with a CVSS base score of 6.5.

Understanding CVE-2021-4033

This vulnerability in kimai2 allows attackers to perform CSRF attacks.

What is CVE-2021-4033?

kimai2 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, which can lead to unauthorized actions performed on behalf of an authenticated user without their consent.

The Impact of CVE-2021-4033

The impact of this vulnerability is rated as medium severity with a CVSS base score of 6.5. It has a low attack complexity and requires user interaction, potentially resulting in high integrity impact.

Technical Details of CVE-2021-4033

This section provides further technical insights into the vulnerability.

Vulnerability Description

The CSRF vulnerability in kimai2 allows attackers to trick authenticated users into unknowingly executing malicious actions on the application.

Affected Systems and Versions

The vulnerability affects versions of kevinpapst/kimai2 that are less than version 1.16.7, with a custom version type.

Exploitation Mechanism

The exploitation of this vulnerability involves crafting and enticing users to click on malicious links that trigger unauthorized actions within the kimai2 application.

Mitigation and Prevention

To address and prevent this vulnerability, certain steps need to be taken.

Immediate Steps to Take

Users are advised to update their kevinpapst/kimai2 installations to version 1.16.7 or above to mitigate the CSRF vulnerability.

Long-Term Security Practices

Implementing proper CSRF tokens and ensuring secure coding practices can help prevent CSRF attacks in the future.

Patching and Updates

Regularly applying security patches and updates provided by the vendor is crucial in maintaining the security of kevinpapst/kimai2 installations.