CVE-2023-24444: 
Java vulnerability analysis and mitigation

CVE-2023-24444 is a high-severity session fixation vulnerability affecting the Jenkins OpenID Plugin versions 2.4 and earlier. The vulnerability was disclosed on January 24, 2023, as part of the Jenkins Security Advisory (Jenkins Advisory).

The vulnerability exists because the OpenID Plugin does not invalidate the previous session upon user login. This security flaw is tracked as SECURITY-2996 and has been assigned a severity rating of High (Jenkins Advisory).

This vulnerability allows attackers to use social engineering techniques to gain administrator access to Jenkins. By exploiting this session fixation vulnerability, malicious actors could potentially take control of administrative sessions and perform unauthorized actions within the Jenkins environment (Jenkins Advisory).

As of the advisory publication date, no official fix was available for this vulnerability. Users of the OpenID Plugin version 2.4 and earlier should monitor for updates and consider implementing additional security controls to protect against session fixation attacks (Jenkins Advisory).