CVE-2021-21344

A flaw was found in xstream. A remote attacker may be able to load and execute arbitrary code from a remote host only by manipulating the processed input stream. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

OpenShift Container Platform (OCP) delivers Jenkins LTS package with bundled XStream library. Due to JEP-200 [1] and JEP-228 [2] Jenkins projects, OCP Jenkins package is not affected by this flaw.

[1] https://github.com/jenkinsci/jep/blob/master/jep/200/README.adoc [2] https://github.com/jenkinsci/jep/blob/master/jep/228/README.adoc#security

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.