Skip to content
Fencer Intel
high 8.8

CVE-2020-2167 json

RCE vulnerability in Jenkins OpenShift Pipeline Plugin

published 6y ago modified 4mo ago also GHSA-264w-xrr7-6qqg , EUVD-2022-1914

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Jenkins OpenShift Pipeline Plugin 1.0.56 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Patch / fix

  • maven com.openshift.jenkins:openshift-pipeline 1.0.57
  • jenkins-2-plugins openshift 3.11 3.11.1585050035-1.el7
  • jenkins openshift 3.11 2.204.2.1585048146-1.el7

red hat advisories RHSA-2020:0964

Is CVE-2020-2167 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-2167 updated cvss 8.8

openshift/jenkins-plugin: Deserialization in snakeyaml YAML() objects allows for remote code execution

  • Red Hat OpenShift Container Platform 3.11 jenkins 2.204.2.1585048146-1.el7, jenkins-2-plugins 3.11.1585050035-1.el7
    fixed: vendor fix RHSA-2020:0964
  • Red Hat OpenShift Container Platform 4 jenkins-2-plugins
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven com.openshift.jenkins:openshift-pipeline
<1.0.57
1.0.57

Affected products

  • Jenkins project Jenkins OpenShift Pipeline Plugin

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.