CVE-2021-21604

high

Published 2022-05-24 · Modified 2024-02-16

CVSS v3

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

CVSS v2

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VIR risk

8.0

Description

Improper handling of REST API XML deserialization errors in Jenkins

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202101-41

OS	Version	Status	Fixed in
arch		fixed	`2.275-1`

Ecosystem	Package	Vulnerable	Fixed
Maven	org.jenkins-ci.main:jenkins-core	`<2.263.2`	`2.263.2`
Maven	org.jenkins-ci.main:jenkins-core	`>=2.264,<2.275`	`2.275`

Verify integrity in audit chain (admin only). AS-IS.