CVE-2021-3963 : Security Advisory and Response
Discover the details of CVE-2021-3963, a vulnerability in kevinpapst/kimai2 exposing it to Cross-Site Request Forgery (CSRF) attacks. Learn about its impact, technical aspects, and mitigation strategies.
A security vulnerability has been identified in kevinpapst/kimai2 software, with a CVE ID of CVE-2021-3963, related to Cross-Site Request Forgery (CSRF). This article delves into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.
Understanding CVE-2021-3963
What is CVE-2021-3963?
CVE-2021-3963 is a vulnerability in kevinpapst/kimai2 that exposes it to Cross-Site Request Forgery (CSRF) attacks. This vulnerability allows attackers to perform unauthorized actions on behalf of legitimate users without their consent.
The Impact of CVE-2021-3963
The impact of this vulnerability is rated as MEDIUM severity. It has a CVSS base score of 4.3, indicating a significant risk due to CSRF attacks. The integrity of the affected system is at risk, although confidentiality and availability are not directly impacted.
Technical Details of CVE-2021-3963
Vulnerability Description
kimai2 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, which can be exploited by malicious actors to manipulate user actions without their knowledge.
Affected Systems and Versions
The vulnerability affects kevinpapst/kimai2 versions prior to 1.16.2.
Exploitation Mechanism
The vulnerability arises due to inadequate validation of cross-site requests, enabling attackers to trick authenticated users into executing unintended actions when visiting a malicious website.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2021-3963, users are advised to update their kevinpapst/kimai2 installations to version 1.16.2 or higher. Additionally, users should be cautious while interacting with unknown or suspicious websites to prevent CSRF exploits.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and educating users about CSRF attacks and safe browsing habits are essential for long-term security.
Patching and Updates
Regularly monitoring for security updates and promptly applying patches released by the vendor is crucial to safeguarding systems against known vulnerabilities.