CVE-2020-2231: jenkins project jenkins
Vulnerability summary
CVE-2020-2231 is a medium (CVSS 5.4) vulnerability in jenkins project jenkins. EPSS estimates a 5.30% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities. 2 public exploits are recorded.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 12-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
5.30%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.30% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Jenkins 2.235.3 - 'X-Forwarded-For' Stored XSS
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
Jenkins1 product
- jenkins≤ 2.235.3 | ≤ 2.251
Jenkins project1 product
- jenkins≥ unspecified, ≤ 2.251 | ≥ unspecified, ≤ LTS 2.235.3
Org.jenkins-ci.main1 product
- jenkins-core< 2.235.4 | ≥ 2.237, < 2.252
3 vendors · 3 products
References
5 links- www.openwall.com/lists/oss-security/2020/08/12/4Mailing ListX Refsource MLISTWEBThird Party Advisory
- packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.htmlX Refsource MISCWEBExploitThird Party AdvisoryVDB Entry