Deserialization in Jenkins
CVE-2022-0538
Jenkins 2.333 and earlier, LTS 2.319.2 and earlier defines custom XStream converters that have not been updated to apply the protections for the vulnerability CVE-2021-43859 and allow unconstrained resource usage.
Vulnerability class: Insecure Deserialization
EPSS: 0.039 (89.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Jenkins
- Jenkins Project — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
- jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0538?
- CVE-2022-0538 is a high-severity vulnerability in Jenkins, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2022-02-09.
- How severe is CVE-2022-0538?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-0538 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.