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Cross-Site Request Forgery in Jenkins

Moderate severity GitHub Reviewed Published Jan 21, 2022 to the GitHub Advisory Database • Updated Jan 3, 2024

Package

maven org.jenkins-ci.main:jenkins-core (Maven)

Affected versions

< 2.319.2
>= 2.320, < 2.330

Patched versions

2.319.2
2.330

Description

Jenkins 2.329 and earlier, LTS 2.319.1 and earlier does not require POST requests for the HTTP endpoint handling manual build requests when no security realm is set, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to trigger build of job without parameters.

Jenkins 2.330, LTS 2.319.2 requires POST requests for the affected HTTP endpoint.

References

Published by the National Vulnerability Database Jan 12, 2022
Reviewed Jan 20, 2022
Published to the GitHub Advisory Database Jan 21, 2022
Last updated Jan 3, 2024

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS score

0.108%
(45th percentile)

Weaknesses

CVE ID

CVE-2022-20612

GHSA ID

GHSA-p92q-7fhh-mq35

Source code

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