CVE-2021-21615

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-367

Affected software

Vendor	Product	Versions
Jenkins project	Jenkins	2.275; LTS 2.263.2

References

http://www.openwall.com/lists/oss-security/2021/01/26/2Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/01/26/2Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197Vendor Advisory

Timeline

Published: Jan 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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