Deserialization in Jenkins

CVE-2017-1000355

Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an XStream: Java crash when trying to instantiate void/Void.

Vulnerability class: Insecure Deserialization

EPSS: 0.017 (75.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-1000355?
CVE-2017-1000355 is a medium-severity vulnerability in Jenkins, classified under Deserialization of Untrusted Data. CVSS score: 6.5/10. Published 2018-01-29.
How severe is CVE-2017-1000355?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-1000355 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.