CVE-2021-21663

Description

A missing permission check in Jenkins XebiaLabs XL Deploy Plugin 7.5.8 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.70% Top 30%

Third-Party Advisory openwall.com Third-Party Advisory jenkins.io

Affected: Jenkins project Jenkins XebiaLabs XL Deploy Plugin

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-1982	third party 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-2021-21663?: CVE-2021-21663 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21663?: To fix CVE-2021-21663, 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-2021-21663 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-21663 is being actively exploited. 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-2021-21663?: CVE-2021-21663 affects Jenkins project Jenkins XebiaLabs XL Deploy Plugin.

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