CWE
287
Advisory Published
Advisory Published
Updated

CVE-2018-1999045

First published: Thu Aug 23 2018(Updated: )

A improper authentication vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in SecurityRealm.java, TokenBasedRememberMeServices2.java that allows attackers with a valid cookie to remain logged in even if that feature is disabled.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
maven/org.jenkins-ci.main:jenkins-core>=2.122<2.138
2.138
maven/org.jenkins-ci.main:jenkins-core<2.121.3
2.121.3
Jenkins LTS<=2.121.2
Jenkins LTS<=2.137

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Frequently Asked Questions

  • What is the severity of CVE-2018-1999045?

    CVE-2018-1999045 has a severity rating of Medium due to the improper authentication that allows session persistence with a valid cookie.

  • How do I fix CVE-2018-1999045?

    To fix CVE-2018-1999045, upgrade to Jenkins version 2.138 or 2.121.3.

  • Which versions of Jenkins are affected by CVE-2018-1999045?

    Jenkins versions up to and including 2.137 and 2.121.2 are affected by CVE-2018-1999045.

  • What type of vulnerability is CVE-2018-1999045?

    CVE-2018-1999045 is classified as an improper authentication vulnerability.

  • Can attackers exploit CVE-2018-1999045 easily?

    Yes, attackers can exploit CVE-2018-1999045 easily if they possess a valid cookie, allowing them to bypass authentication.

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