CVE-2021-21693

At a glance

Severity: Not available
EPSS: EPSS 1.55 % · percentile 75 (2026-10-27)
State: PUBLISHED
Published: 2021-11-04
Updated: 2024-08-03
Assigner: jenkins
NVD status: Modified

Description

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	HIGH 7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-863

Advisories

GHSA-929w-q433-4h9x — Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins

European references

ENISA EUVD · EUVD-2022-3269
GCVE · GCVE-0-2021-21693

Affected configurations (NVD CPE)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* < 2.303.3
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* < 2.319

Affected products

Product	Versions
Jenkins project · Jenkins	affected unspecified ≤ 2.318 ; affected unspecified ≤ LTS 2.303.2

References

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

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