Vulnerability CVE-2021-21663
Published: 2021-06-10

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.

Type:

CWE-862

 (Missing Authorization)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Jenkins -> Xebialabs xl deploy 

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