Insufficient Permission Check in Jenkins XebiaLabs XL Deploy Plugin
CVE-2021-21663

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Xebialabs Xl Deploy Plugin
Vendor
CVE Published:
10 June 2021

What is CVE-2021-21663?

The Jenkins XebiaLabs XL Deploy Plugin contains an insufficient permission check in versions 7.5.8 and earlier. This flaw allows attackers with Overall/Read permission to connect to a URL specified by the attacker while using attacker-controlled credential IDs. Consequently, this can lead to the exposure of sensitive username and password information stored in Jenkins. Attackers can exploit this vulnerability through alternative methods to gain access to valid credentials, potentially jeopardizing the security posture of affected Jenkins instances.

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Affected Version(s)

Jenkins XebiaLabs XL Deploy Plugin 7.5.6

Jenkins XebiaLabs XL Deploy Plugin <= 7.5.8

References

https://www.jenkins.io/security/advisory/2021-06-10/#SECU...
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http://www.openwall.com/lists/oss-security/2021/06/10/14
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CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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