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CVE-2021-21605

Good to know:

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Date: January 13, 2021

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to override the global `config.xml` file.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Path Traversal

CWE-22

Top Fix

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Upgrade Version

Upgrade to version org.jenkins-ci.main:jenkins-core:2.275, org.jenkins-ci.main:jenkins-core:LTS 2.263.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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