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Fencer Vulns
medium 5.4

CVE-2020-2136 json

Improper Neutralization of Input During Web Page Generation in Jenkins Git Plugin

published 2020-03-09 6 y ago modified 2026-06-17 4 mo ago also GHSA-6c7r-6p5m-cp82 , EUVD-2022-2769

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

Jenkins Git Plugin 4.2.0 and earlier does not escape the error message for the repository URL for Microsoft TFS field form validation, resulting in a stored cross-site scripting vulnerability.

Patch / fix

  • maven org.jenkins-ci.plugins:git 4.2.1
  • jenkins-2-plugins openshift 4.3 4.3.1597915133-1.el7
  • jenkins-2-plugins openshift 4.4 4.4.1592817009-1.el7
  • jenkins-2-plugins openshift 3.11 3.11.1591354111-1.el7

red hat advisories RHSA-2020:3616RHSA-2020:2737RHSA-2020:2478

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-2020-2136 updated cvss 5.4

jenkins-git-plugin: stored cross-site scripting

  • Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins 3.11.1591354111-1.el7
    fixed: vendor fix RHSA-2020:2478
  • Red Hat OpenShift Container Platform 4.3 jenkins-2-plugins 4.3.1597915133-1.el7
    fixed: vendor fix RHSA-2020:3616
  • Red Hat OpenShift Container Platform 4.4 jenkins-2-plugins 4.4.1592817009-1.el7
    fixed: vendor fix RHSA-2020:2737
  • Red Hat OpenShift Container Platform 4.5 openshift4/ose-cli v4.5.0-202007012112.p0, openshift4/ose-pod v4.5.0-202007012112.p0, openshift4/ose-etcd v4.5.0-202007012112.p0, openshift4/ose-tests v4.5.0-202007100518.p0, openshift4/ose-coredns v4.5.0-202007012112.p0, openshift4/ose-grafana v4.5.0-202007012112.p0, +71 more
    fixed: vendor fix RHBA-2020:2409

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

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.plugins:git
<4.2.1
4.2.1

Affected products

  • Jenkins project Jenkins Git Plugin

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.