CVE-2021-21650

low-risk
Published 2021-05-11

Jenkins S3 publisher Plugin 0.11.6 and earlier does not perform Run/Artifacts permission checks in various HTTP endpoints and API models, allowing attackers with Item/Read permission to obtain information about artifacts uploaded to S3, if the optional Run/Artifacts permission is enabled.

Do I need to act?

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0.05% 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)

S3 Publisher

Affected Vendors

Jenkins

References (2)

Vendor Advisory https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200
Vendor Advisory https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal