BASM (Broken Authentication & Session Management) in Jira Service Management Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: Highest
    • 11.3.4, 10.3.20
    • Affects Version/s: 5.15.2, 5.16.0, 5.17.0, 5.17.3, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.3.1, 10.3.2, 10.3.3, 10.3.4, 10.3.5, 10.3.6, 10.3.7, 10.3.8, 10.3.9, 10.3.10, 10.3.11, 10.3.12, 10.3.13, 10.3.14, 10.3.15, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, 11.3.0, 11.3.1, 11.3.2, 11.3.3, 10.3.16, 10.3.17, 10.3.18, 10.3.19
    • Component/s: None
    • 9.1
    • Critical
    • CVE-2026-29145
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    • BASM (Broken Authentication & Session Management)
    • Jira Service Management Data Center

      This is a vulnerability in a non-Atlassian Jira Service Management dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk.

      This Critical severity BASM (Broken Authentication & Session Management) vulnerability was introduced in versions 5.15.2, 5.16.0, 5.17.0, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center.

      This BASM (Broken Authentication & Session Management) vulnerability, with a CVSS Score of 9.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N allows an unauthenticated attacker to perform actions as another user which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires no user interaction.

      Atlassian recommends that Jira Service Management Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

      • Jira Service Management Data Center 10.3: Upgrade to a release greater than or equal to 10.3.20
      • Jira Service Management Data Center 11.3: Upgrade to a release greater than or equal to 11.3.4

      See the release notes (https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html). You can download the latest version of Jira Service Management Data Center from the download center (https://www.atlassian.com/software/jira/service-management/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native.

      This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13.

      Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.

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              Unassigned
              Reporter:
              Security Metrics Bot
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