Advisory Published

CVE-2021-25931: CSRF

First published: Thu May 20 2021(Updated: )

In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.0-1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to CSRF, due to no CSRF protection at `/opennms/admin/userGroupView/users/updateUser`. This flaw allows assigning `ROLE_ADMIN` security role to a normal user. Using this flaw, an attacker can trick the admin user to assign administrator privileges to a normal user by enticing him to click upon an attacker-controlled website.

Credit: vulnerabilitylab@mend.io

Affected SoftwareAffected VersionHow to fix
OpenNMS Horizon>=1.0<27.1.1
OpenNMS Meridian>=2015.1.0<2019.1.19
OpenNMS Meridian>=2020.1.0<2020.1.7

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Frequently Asked Questions

  • What is the severity of CVE-2021-25931?

    The severity of CVE-2021-25931 is high with a severity value of 8.8.

  • How does CVE-2021-25931 affect OpenNMS Horizon?

    CVE-2021-25931 affects OpenNMS Horizon versions opennms-1-0-stable through opennms-27.1.0-1.

  • How does CVE-2021-25931 affect OpenNMS Meridian?

    CVE-2021-25931 affects OpenNMS Meridian versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1 and meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1.

  • What is the vulnerability type of CVE-2021-25931?

    The vulnerability type of CVE-2021-25931 is CSRF (Cross-Site Request Forgery).

  • How can I fix CVE-2021-25931?

    To fix CVE-2021-25931, update OpenNMS Horizon to version 27.1.1 or OpenNMS Meridian to version 2019.1.19 (for versions 2015.1.0-1 to 2019.1.18-1) or version 2020.1.7 (for versions 2020.1.0-1 to 2020.1.6-1).


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