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Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Dec 15, 2023

Package

maven org.jenkins-ci.plugins:electricflow (Maven)

Affected versions

< 1.1.18.1
>= 1.1.19, < 1.1.22

Patched versions

1.1.18.1
1.1.22

Description

Jenkins CloudBees CD Plugin does not perform a permission check in an HTTP endpoint.

This allows attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.

Jenkins CloudBees CD Plugin requires Item/Build permission to schedule builds via its HTTP endpoint.

References

Published by the National Vulnerability Database Apr 21, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Dec 13, 2022
Last updated Dec 15, 2023

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
Low
User interaction
None
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:L/UI:N/S:U/C:N/I:L/A:N

EPSS score

0.050%
(22nd percentile)

Weaknesses

CVE ID

CVE-2021-21647

GHSA ID

GHSA-7rx6-4vwv-432g

Source code

Credits

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