CVE-2021-21626: jenkins project jenkins warnings next generation plugin Missing Authorization
Vulnerability summary
CVE-2021-21626 is a medium (CVSS 4.3) Missing Authorization vulnerability in jenkins project jenkins warnings next generation plugin. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.7% of scored vulnerabilities.
Timeline
- 18-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
0.00 pp
From 0.86% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Io.jenkins.plugins1 product
- warnings-ng< 8.5.0
Jenkins1 product
- warnings_next_generation≤ 8.4.4
Jenkins project1 product
- jenkins warnings next generation plugin≥ unspecified, ≤ 8.4.4
3 vendors · 3 products
References
4 links- www.openwall.com/lists/oss-security/2021/03/18/5Mailing ListX Refsource MLISTWEBThird Party Advisory