Jenkins Kubernetes CLI Plugin Vulnerability Allows Credential Enumeration
CVE-2021-21661

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Kubernetes Cli Plugin
Vendor
CVE Published:
10 June 2021

What is CVE-2021-21661?

The Jenkins Kubernetes CLI Plugin prior to version 1.10.0 lacks proper permission checks for multiple HTTP endpoints. This flaw allows attackers with Overall/Read permission to enumerate and access credential IDs stored within Jenkins. By exploiting this vulnerability, unauthorized users can gain insights into critical credential data, potentially compromising the integrity of the Jenkins environment.

Affected Version(s)

Jenkins Kubernetes CLI Plugin <= 1.10.0

References

https://www.jenkins.io/security/advisory/2021-06-10/#SECU...
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http://www.openwall.com/lists/oss-security/2021/06/10/14
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CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.