XML External Entity Vulnerability in Jenkins Mercurial Plugin
CVE-2020-2305

6.5MEDIUM

Key Information:

Vendor
Jenkins
Status
Jenkins Mercurial Plugin
Vendor
CVE Published:
4 November 2020

Summary

The Jenkins Mercurial Plugin version 2.11 and earlier is susceptible to XML external entity (XXE) attacks. This vulnerability arises from the plugin's failure to adequately configure its XML parser, allowing an attacker to manipulate XML input in a way that can lead to unauthorized access to sensitive data, potential server-side request forgery, or other undesirable effects. It is crucial for users to be aware of this vulnerability to ensure the protection of their Jenkins installations.

Affected Version(s)

Jenkins Mercurial Plugin <= 2.11

Jenkins Mercurial Plugin 2.10.1

Jenkins Mercurial Plugin 2.9.1

References

https://www.jenkins.io/security/advisory/2020-11-04/#SECU...
x_refsource_CONFIRM

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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