CVE-2021-21661

Description

Jenkins Kubernetes CLI Plugin 1.10.0 and earlier does not perform permission checks in several HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.42% Top 25%

Vendor Advisory jenkins.io

Affected: Jenkins project Jenkins Kubernetes CLI Plugin

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2370	vendor advisory
http://www.openwall.com/lists/oss-security/2021/06/10/14	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-21661?: CVE-2021-21661 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21661?: To fix CVE-2021-21661, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21661 being actively exploited in the wild?: It is possible that CVE-2021-21661 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21661?: CVE-2021-21661 affects Jenkins project Jenkins Kubernetes CLI Plugin.

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