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CVE-2021-21621

Good to know:

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Date: February 24, 2021

Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)" information, which can include the session ID of the user creating the support bundle in some configurations.

Language: Java

Severity Score

Related Resources (5)

https://github.com/jenkinsci/support-core-plugin/commit/9af9efae6e9ed408ca89ff9b5f1b7a74da0a131f
https://github.com/jenkinsci/support-core-plugin
https://nvd.nist.gov/vuln/detail/CVE-2021-21621
https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150
https://www.mend.io/vulnerability-database/CVE-2021-21621

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Top Fix

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Upgrade Version

Upgrade to version org.jenkins-ci.plugins:support-core:2.72.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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