[org.jenkins-ci.plugins:active-directory] Improper Authentication (empty password) in Jenkins Active Directory Plugin

Jenkins Active Directory Plugin prior to 2.20 does not prohibit the use of an empty password in Windows/ADSI mode, which allows attackers to log in to Jenkins as any user depending on the configuration of the Active Directory server.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-2300
• https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2099
• http://www.openwall.com/lists/oss-security/2020/11/04/6
• https://github.com/advisories/GHSA-8wcw-cw2f-h4g2