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CVE-2021-21640

Good to know:

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Date: April 7, 2021

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

Language: Java

Severity Score

Related Resources (6)

https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1871
https://github.com/jenkinsci/jenkins/commit/42e2c74049ddf5e0aca1fe6aadc7b24fdabb5494
https://nvd.nist.gov/vuln/detail/CVE-2021-21640
https://github.com/jenkinsci/jenkins
http://www.openwall.com/lists/oss-security/2021/04/07/2
https://www.mend.io/vulnerability-database/CVE-2021-21640

Severity Score

Weakness Type (CWE)

Improper Handling of Inconsistent Structural Elements

CWE-240

Top Fix

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CVSS v3.1

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

CVSS v2

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

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