VULNERABILITY INTELLIGENCE

CVE-2021-21663

CVSS score4.3 MEDIUM

EPSS probability1.00%

CISA KEVNot currently listed

Published2021-06-10

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

Primary references

jenkinsci-cert@googlegroups.com — Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory