PT-2021-14693 · Jenkins · Jenkins S3 Publisher Plugin+1

Daniel Beck · Published 2021-05-11 · Updated 2023-10-25 · CVE-2021-21650

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Jenkins S3 publisher Plugin versions 0.11.6 and earlier

Description The issue allows attackers with Item/Read permission to obtain information about artifacts uploaded to S3, if the optional Run/Artifacts permission is enabled, due to a lack of Run/Artifacts permission checks in various HTTP endpoints and API models.

Recommendations For Jenkins S3 publisher Plugin versions 0.11.6 and earlier, update to version 0.11.7 or later to resolve the issue. As a temporary workaround, consider disabling the optional Run/Artifacts permission to minimize the risk of exploitation.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-21650

GHSA-FVFC-8PQR-WJPV

Affected Products

Jenkins

Jenkins S3 Publisher Plugin

References · 7

• 🔥 https://github.com/CVEProject/cvelist/blob/2d78eb36f4d084db7fb35f1535d8d84fdcb7d859/2021/21xxx/CVE-2021-21650.json · Exploit
• https://osv.dev/vulnerability/CVE-2021-21650 · Vendor Advisory
• https://jenkins.io/security/advisory/2021-05-11/#SECURITY-2200 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21650 · Security Note
• https://osv.dev/vulnerability/GHSA-fvfc-8pqr-wjpv · Vendor Advisory
• https://github.com/jenkinsci/s3-plugin/commit/a146c28c849ffe643ece46eaa5940d1fd6ab048e · Note
• https://t.me/cvenotify/14642 · Telegram Post