CVE-2021-21626

low-risk
Published 2021-03-18

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Warnings Next Generation

Affected Vendors

Jenkins

References (4)

Third Party Advisory http://www.openwall.com/lists/oss-security/2021/03/18/5
Vendor Advisory https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041
Third Party Advisory http://www.openwall.com/lists/oss-security/2021/03/18/5
Vendor Advisory https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal