Auth bypass in Jenkins Xebialabs Xl Deploy

CVE-2021-21664

An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

Vulnerability class: Broken Access Control

EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21664?
CVE-2021-21664 is a medium-severity vulnerability in Jenkins Xebialabs Xl Deploy, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2021-06-10.
How severe is CVE-2021-21664?
Medium severity. CVSS v3 base score is 6.5 out of 10.