What is the severity of CVE-2018-1000408?

CVE-2018-1000408 has a medium severity rating due to its potential to cause denial of service.

How do I fix CVE-2018-1000408?

To fix CVE-2018-1000408, upgrade Jenkins to version 2.146 or later, or LTS version 2.138.2 or later.

Who is affected by CVE-2018-1000408?

CVE-2018-1000408 affects Jenkins versions up to and including 2.145 and LTS versions up to and including 2.138.1.

What kind of vulnerability is CVE-2018-1000408?

CVE-2018-1000408 is a denial of service vulnerability that allows unauthorized access to a specific URL.

What should I do if I cannot upgrade to mitigate CVE-2018-1000408?

If you cannot upgrade, consider restricting access to the Jenkins instance or applying temporary mitigating controls to limit exposure.

Vulnerability/
CVE-2018-1000408

medium

6.5

9/1/2019

5/8/2024

CVE-2018-1000408

First published: Wed Jan 09 2019(Updated: )

A denial of service vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows attackers without Overall/Read permission to access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Jenkins Jenkins	<=2.138.1
Jenkins Jenkins	<=2.145

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-1000408?
CVE-2018-1000408 has a medium severity rating due to its potential to cause denial of service.
How do I fix CVE-2018-1000408?
To fix CVE-2018-1000408, upgrade Jenkins to version 2.146 or later, or LTS version 2.138.2 or later.
Who is affected by CVE-2018-1000408?
CVE-2018-1000408 affects Jenkins versions up to and including 2.145 and LTS versions up to and including 2.138.1.
What kind of vulnerability is CVE-2018-1000408?
CVE-2018-1000408 is a denial of service vulnerability that allows unauthorized access to a specific URL.
What should I do if I cannot upgrade to mitigate CVE-2018-1000408?
If you cannot upgrade, consider restricting access to the Jenkins instance or applying temporary mitigating controls to limit exposure.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/author
agent/last-modified-date
agent/severity
agent/event
agent/first-publish-date
agent/tags
agent/description
agent/source
vendor/jenkins
canonical/jenkins jenkins
version/jenkins jenkins/2.138.1
version/jenkins jenkins/2.145

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Frequently Asked Questions

What is the severity of CVE-2018-1000408?
CVE-2018-1000408 has a medium severity rating due to its potential to cause denial of service.
How do I fix CVE-2018-1000408?
To fix CVE-2018-1000408, upgrade Jenkins to version 2.146 or later, or LTS version 2.138.2 or later.
Who is affected by CVE-2018-1000408?
CVE-2018-1000408 affects Jenkins versions up to and including 2.145 and LTS versions up to and including 2.138.1.
What kind of vulnerability is CVE-2018-1000408?
CVE-2018-1000408 is a denial of service vulnerability that allows unauthorized access to a specific URL.
What should I do if I cannot upgrade to mitigate CVE-2018-1000408?
If you cannot upgrade, consider restricting access to the Jenkins instance or applying temporary mitigating controls to limit exposure.