What is the severity of CVE-2018-1999043?

CVE-2018-1999043 is classified as a denial of service vulnerability.

How do I fix CVE-2018-1999043?

To mitigate CVE-2018-1999043, upgrade Jenkins to version 2.138 or later.

What versions of Jenkins are affected by CVE-2018-1999043?

CVE-2018-1999043 affects Jenkins versions 2.137 and earlier, and 2.121.2 and earlier.

What impact does CVE-2018-1999043 have on Jenkins users?

CVE-2018-1999043 allows attackers to create ephemeral in-memory user records, potentially leading to denial of service.

Can CVE-2018-1999043 be exploited remotely?

Yes, CVE-2018-1999043 can be exploited remotely by sending numerous invalid login attempts.

Vulnerability/
CVE-2018-1999043

high

7.5

CWE

772

23/8/2018

3/10/2022

5/8/2024

CVE-2018-1999043

First published: Thu Aug 23 2018(Updated: )

A denial of service vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in BasicAuthenticationFilter.java, BasicHeaderApiTokenAuthenticator.java that allows attackers to create ephemeral in-memory user records by attempting to log in using invalid credentials.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Jenkins Jenkins	<=2.121.2
Jenkins Jenkins	<=2.137

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Reference Links

https://jenkins.io/security/advisory/2018-08-15/#SECURITY-672

Frequently Asked Questions

What is the severity of CVE-2018-1999043?
CVE-2018-1999043 is classified as a denial of service vulnerability.
How do I fix CVE-2018-1999043?
To mitigate CVE-2018-1999043, upgrade Jenkins to version 2.138 or later.
What versions of Jenkins are affected by CVE-2018-1999043?
CVE-2018-1999043 affects Jenkins versions 2.137 and earlier, and 2.121.2 and earlier.
What impact does CVE-2018-1999043 have on Jenkins users?
CVE-2018-1999043 allows attackers to create ephemeral in-memory user records, potentially leading to denial of service.
Can CVE-2018-1999043 be exploited remotely?
Yes, CVE-2018-1999043 can be exploited remotely by sending numerous invalid login attempts.

collector/nvd-index
agent/softwarecombine
agent/first-publish-date
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/weakness
agent/author
agent/last-modified-date
agent/description
agent/event
agent/tags
agent/source
vendor/jenkins
canonical/jenkins jenkins
version/jenkins jenkins/2.121.2
version/jenkins jenkins/2.137

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Frequently Asked Questions

What is the severity of CVE-2018-1999043?
CVE-2018-1999043 is classified as a denial of service vulnerability.
How do I fix CVE-2018-1999043?
To mitigate CVE-2018-1999043, upgrade Jenkins to version 2.138 or later.
What versions of Jenkins are affected by CVE-2018-1999043?
CVE-2018-1999043 affects Jenkins versions 2.137 and earlier, and 2.121.2 and earlier.
What impact does CVE-2018-1999043 have on Jenkins users?
CVE-2018-1999043 allows attackers to create ephemeral in-memory user records, potentially leading to denial of service.
Can CVE-2018-1999043 be exploited remotely?
Yes, CVE-2018-1999043 can be exploited remotely by sending numerous invalid login attempts.