CVE-2021-21620: jenkins project jenkins claim plugin Cross-Site Request Forgery (CSRF)
CVSS: 4.3v3.1MediumModified
AliasesGHSA-4ffq-6g62-j4v4
Published 24-02-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21620 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in jenkins project jenkins claim plugin. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 75.9% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
1.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A cross-site request forgery (CSRF) vulnerability in Jenkins Claim Plugin 2.18.1 and earlier allows attackers to change claims.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NSourcesAll 2 agree
- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.64%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.64% on 20-09-2026
20-09-202620-10-2026
EPSS score1.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jenkins1 product
- claim≤ 2.18.1
Jenkins project1 product
- jenkins claim plugin≥ unspecified, ≤ 2.18.1
Org.jenkins-ci.plugins1 product
- claim< 2.18.2
3 vendors · 3 products