Improper Permission Check in Jenkins Matrix Authorization Strategy Plugin
CVE-2021-21623

6.5MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Matrix Authorization Strategy Plugin
Vendor
CVE Published:
18 March 2021

What is CVE-2021-21623?

The Jenkins Matrix Authorization Strategy Plugin contains an improper permission check that allows users with Item/Read permission on nested items to access these items, despite lacking Item/Read permission for their parent folders. This flaw could potentially enable unauthorized access to sensitive data within Jenkins, compromising overall security.

Affected Version(s)

Jenkins Matrix Authorization Strategy Plugin <= 2.6.5

Jenkins Matrix Authorization Strategy Plugin 2.5.2

Jenkins Matrix Authorization Strategy Plugin 2.6.3.1

References

https://www.jenkins.io/security/advisory/2021-03-18/#SECU...
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http://www.openwall.com/lists/oss-security/2021/03/18/5
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.