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Fencer Intel
medium 5.4

CVE-2020-2162 json

Improper Neutralization of Input During Web Page Generation in Jenkins

published 6y ago modified 2mo ago also BIT-jenkins-2020-2162 , EUVD-2022-3626 , GHSA-crg2-6xv3-qg5f

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not set Content-Security-Policy headers for files uploaded as file parameters to a build, resulting in a stored XSS vulnerability.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.228
  • bitnami jenkins 2.227.1
  • cri-o openshift 4.3 1.16.6-15.dev.rhaos4.3.gitebc053b.el7
  • cri-o openshift 4.3 1.16.6-15.dev.rhaos4.3.gitebc053b.el8
  • conmon openshift 4.3 2:2.0.17-1.rhaos4.3.el7
  • conmon openshift 4.3 2:2.0.17-1.rhaos4.3.el8
  • jenkins openshift 4.3 2.222.1.1591349991-1.el7
  • openshift openshift 4.3 4.3.25-202006060952.git.1.96c30f6.el7
  • openshift openshift 4.3 4.3.25-202006060952.git.1.96c30f6.el8
  • s390utils openshift 4.3 2:2.6.0-23.el8

red hat advisories RHBA-2020:2435RHBA-2020:2477RHBA-2020:2444

  • jenkins Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 2.228-r0

alpine advisories ALPINE-CVE-2020-2162

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2020-2162 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.

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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-2020-2162 updated cvss 5.4

jenkins: Content-Security-Policy headers for files uploaded leads to XSS

  • Red Hat OpenShift Container Platform 3.11 jenkins 2.222.1.1591351669-1.el7
    fixed: vendor fix RHBA-2020:2477
  • Red Hat OpenShift Container Platform 4.3 s390utils 2.6.0-23.el8, s390utils-base 2.6.0-23.el8, conmon 2.0.17-1.rhaos4.3.el7, conmon 2.0.17-1.rhaos4.3.el8, s390utils-cmsfs 2.6.0-23.el8, s390utils-zdsfs 2.6.0-23.el8, +30 more
    fixed: vendor fix RHBA-2020:2435
  • Red Hat OpenShift Container Platform 4.4 conmon 2.0.17-1.rhaos4.4.el7, conmon 2.0.17-1.rhaos4.4.el8, jenkins 2.222.1.1591351066-1.el7, cri-o 1.17.4-14.dev.rhaos4.4.gitb93af5d.el7, cri-o 1.17.4-14.dev.rhaos4.4.gitb93af5d.el8, openshift 4.4.0-202006061254.git.1.dc84fb4.el7, +18 more
    fixed: vendor fix RHBA-2020:2444
  • Red Hat OpenShift Container Platform 3.11 python-openshift 0.6.4-2.el7, python2-openshift 0.6.4-2.el7, jenkins-2-plugins 3.11.1591354111-1.el7, prometheus 3.11.232-1.git.1.3c936ee.el7, cri-tools 1.11.1-3.rhaos3.11.gitedabfb5.el7, golang-github-cpuguy83-go-md2man 1.0.7-1.el7, +39 more
    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

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
OSV 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.main:jenkins-core
<2.228
>=2.204.6, <2.228
2.228
bitnami jenkins
<2.227.1
2.227.1

Affected products

  • Jenkins project Jenkins

Classification

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

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.