CVE-2020-2221

HIGH8.0EPSS 0.52%

Stored XSS vulnerability in Jenkins upstream cause

Published: 5/24/2022Modified: 2/16/2024

Also known as:GHSA-g4j6-m3m3-crw8BIT-jenkins-2020-2221

Description

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability. Jenkins 2.245, LTS 2.235.2 escapes the job display name.

Affected packages (2)

Bitnami/jenkinsfrom 0, < 2.244.1
Maven/org.jenkins-ci.main:jenkins-corefrom 0, < 2.235.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-2221
PATCHhttps://github.com/jenkinsci/jenkins
WEBhttps://github.com/jenkinsci/jenkins/commit/f6e575381bdba85afaf27c529d7298091f226e49
WEBhttps://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901
WEBhttp://www.openwall.com/lists/oss-security/2020/07/15/5