Information disclosure in Jenkins Kubernetes CLI plugin



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21661
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Kubernetes CLI
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU54056

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21661

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the affected plugin does not perform permission checks in several HTTP endpoints. A remote authenticated attacker can enumerate credentials IDs of credentials stored in Jenkins.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kubernetes CLI: 0.1.0 - 1.10.0

CPE2.3 External links

https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2370
https://www.openwall.com/lists/oss-security/2021/06/10/14


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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