vulnerability
Jenkins Advisory 2021-01-13: CVE-2021-21606: Arbitrary file existence check in file fingerprints
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:P/I:N/A:N) | Jan 13, 2021 | Dec 2, 2021 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:P/I:N/A:N)
Published
Jan 13, 2021
Added
Dec 2, 2021
Modified
Aug 11, 2025
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.
Solutions
jenkins-lts-upgrade-2_263_2jenkins-upgrade-2_275
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