Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721 https://nvd.nist.gov/vuln/detail/CVE-2021-21639 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21639
Vulmon