CVE-2021-21639

At a glance

Severity: Not available
EPSS: EPSS 2.73 % · percentile 86 (2026-10-27)
State: PUBLISHED
Published: 2021-04-07
Updated: 2024-08-03
Assigner: jenkins
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Advisories

GHSA-pvwx-3jx5-24r2 — Lack of type validation in agent related REST API in Jenkins

European references

ENISA EUVD · EUVD-2022-4831
GCVE · GCVE-0-2021-21639

Affected configurations (NVD CPE)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* ≤ 2.277.1
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* ≤ 2.286

Affected products

Product	Versions
Jenkins project · Jenkins	affected unspecified ≤ 2.286 ; affected unspecified ≤ LTS 2.277.1

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD