CVE-2021-21655 : What You Need to Know
Learn about CVE-2021-21655, a CSRF vulnerability in Jenkins P4 Plugin allowing unauthorized users to access a Perforce server using specific credentials. Find out the impact, affected versions, and mitigation steps.
A CSRF vulnerability in Jenkins P4 Plugin 1.11.4 and earlier allows attackers to connect to an attacker-specified Perforce server using specific credentials.
Understanding CVE-2021-21655
This CVE involves a CSRF vulnerability in the Jenkins P4 Plugin that enables attackers to connect to a Perforce server with specified credentials.
What is CVE-2021-21655?
The CVE-2021-21655 is a Cross-Site Request Forgery (CSRF) vulnerability found in Jenkins P4 Plugin versions 1.11.4 and earlier, allowing unauthorized users to connect to a Perforce server using specified login credentials.
The Impact of CVE-2021-21655
The vulnerability can be exploited by attackers to access sensitive data on the targeted Perforce server, compromising the integrity and confidentiality of the information stored.
Technical Details of CVE-2021-21655
This section provides technical details regarding the vulnerability.
Vulnerability Description
The CSRF vulnerability in Jenkins P4 Plugin versions 1.11.4 and earlier permits attackers to access a Perforce server using crafted login details without proper authorization.
Affected Systems and Versions
The Jenkins P4 Plugin versions 1.11.4 and earlier are impacted by this vulnerability. Users with these versions are at risk of unauthorized access to sensitive data.
Exploitation Mechanism
Attackers can exploit this vulnerability by luring authenticated users of the affected plugin to visit a specially crafted web page, leading to unauthorized actions on the Perforce server.
Mitigation and Prevention
Here are the steps to mitigate and prevent the exploitation of CVE-2021-21655.
Immediate Steps to Take
Users are advised to update the Jenkins P4 Plugin to a version beyond 1.11.4 or apply patches provided by the Jenkins project to eliminate the security flaw.
Long-Term Security Practices
Implementing secure coding practices, regularly updating software, and conducting security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor security advisories from Jenkins project and apply updates promptly to secure the Jenkins P4 Plugin against known vulnerabilities.