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CVE-2021-21607

Good to know:

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Date: January 13, 2021

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.

Language: Java

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-21607
https://security.alpinelinux.org/vuln/CVE-2021-21607
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025
https://www.mend.io/vulnerability-database/CVE-2021-21607

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

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): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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