Home/CVE/Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via '
CVE

CVE-2020-2231

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via '

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via 'Trigger builds remotely', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Job/Configure permission or knowledge of the Authentication Token.

MEDIUM · CVSS 5.4 EPSS 0.00472
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
jenkins<= 2.235.3
jenkins<= 2.251
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jenkins-ci.main:jenkins-core MODERATE fixed in 2.235.4
⚠

Public Exploits & PoCs

2
webappsJenkins 2.235.3 - 'X-Forwarded-For' Stored XSS2020-12-14
pocpacketstormsecurity.com · Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.htmlpacketstormsecurity.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · jenkinsci-cert@googlegroups.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

4
rhsaRHSA-2020:3841Moderate
rhsaRHSA-2020:4223Moderate
rhsaRHSA-2020:3808Moderate
rhsaRHSA-2020:4220Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2020/08/12/4Mailing ListThird Party Advisory
https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960Vendor Advisory
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