vulnerability
Jenkins Advisory 2021-04-07: CVE-2021-21639: Lack of type validation in agent related REST API
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:P/A:N) | Apr 7, 2021 | Dec 2, 2021 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
Apr 7, 2021
Added
Dec 2, 2021
Modified
Mar 27, 2026
Description
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
Solutions
jenkins-lts-upgrade-2_277_2jenkins-upgrade-2_287
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