CVE-2020-2220: XSS
First published: Wed Jul 15 2020(Updated: )
A flaw was found in Jenkins versions 2.244 and prior and in LTS 2.235.1 and prior. The agent name is not escaped on build time trend pages which could lead to a stored cross-site scripting (XSS) vulnerability. The user must have the Agent/Configure permission for this exploit to function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jenkins | <2.245 | 2.245 |
| redhat/jenkins | <0:2.235.2.1597220898-1.el7 | 0:2.235.2.1597220898-1.el7 |
| redhat/jenkins | <0:2.235.5.1600415514-1.el7 | 0:2.235.5.1600415514-1.el7 |
| redhat/jenkins | <0:2.235.2.1597312065-1.el7 | 0:2.235.2.1597312065-1.el7 |
| redhat/jenkins | <0:2.235.2.1597312414-1.el7 | 0:2.235.2.1597312414-1.el7 |
| Jenkins Jenkins | <=2.235.1 | |
| Jenkins Jenkins | <=2.244 | |
| maven/org.jenkins-ci.main:jenkins-core | >=2.236<=2.244 | 2.245 |
| maven/org.jenkins-ci.main:jenkins-core | <=2.235.1 | 2.235.2 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-2220
- https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1868
- http://www.openwall.com/lists/oss-security/2020/07/15/5
- https://github.com/jenkinsci/jenkins/commit/b43531acee280dedc3ea454a2fc5a1a42990ddda
- https://github.com/advisories/GHSA-qgj4-rc8m-44mq (Advisory)
- https://www.jenkins.io/security/advisory/2020-07-15/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1857426
- https://access.redhat.com/errata/RHSA-2020:3519
- https://access.redhat.com/security/cve/cve-2020-2220
- https://access.redhat.com/errata/RHSA-2020:3541
- https://access.redhat.com/errata/RHSA-2020:3808
- https://bugzilla.redhat.com/show_bug.cgi?id=1857425
- https://www.cve.org/CVERecord?id=CVE-2020-2220 https://nvd.nist.gov/vuln/detail/CVE-2020-2220
- https://access.redhat.com/errata/RHBA-2020:3441
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2020-2220.
What is the severity of CVE-2020-2220?
The severity of CVE-2020-2220 is high.
How does CVE-2020-2220 occur?
CVE-2020-2220 occurs when the agent name is not properly escaped on build time trend pages in Jenkins.
What is the impact of CVE-2020-2220?
CVE-2020-2220 can lead to a stored cross-site scripting (XSS) vulnerability.
How can CVE-2020-2220 be fixed?
To fix CVE-2020-2220, update Jenkins to version 2.245 or later.
- collector/redhat-cve
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
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- alias/CVE-2020-2220
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- package-manager/redhat
- vendor/jenkins
- canonical/jenkins jenkins
- version/jenkins jenkins/2.235.1
- version/jenkins jenkins/2.244
- package-manager/maven