CVE-2021-21664

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-10 · updated 2026-06-17
Weakness: CWE-863

Description

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.

Affected products

Jenkins project Jenkins XebiaLabs XL Deploy Plugin: through 10.0.1

References

http://www.openwall.com/lists/oss-security/2021/06/10/14
https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-1982
http://www.openwall.com/lists/oss-security/2021/06/10/14
https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-1982

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