Stored Cross-Site Scripting in Jenkins VncRecorder Plugin
CVE-2020-2205

4.8MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Vncrecorder Plugin
Vendor
CVE Published:
2 July 2020

What is CVE-2020-2205?

The VncRecorder Plugin for Jenkins, specifically versions 1.25 and earlier, contains a vulnerability where the checkVncServ form validation endpoint fails to properly escape a tool path input. This flaw allows for stored cross-site scripting (XSS) attacks, which could be exploited by Jenkins administrators if they interact with the compromised input, potentially leading to unauthorized actions or data access. Administrators are advised to update to the latest version to mitigate this risk.

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Deploy the Patch

Affected Version(s)

Jenkins VncRecorder Plugin <= 1.25

References

https://jenkins.io/security/advisory/2020-07-02/#SECURITY...
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http://www.openwall.com/lists/oss-security/2020/07/02/7
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CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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