Advisory Published
Advisory Published


First published: Thu Aug 17 2023(Updated: )

A BeanShell interpreter in remote server mode runs in OpenMNS Horizon versions earlier than 32.0.2 and in related Meridian versions which could allow arbitrary remote Java code execution. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon 32.0.2 or newer. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet.

Credit: security@opennms.com security@opennms.com security@opennms.com

Affected SoftwareAffected VersionHow to fix
OpenNMS Horizon<32.0.2
OpenNMS Meridian<2020.1.38
OpenNMS Meridian>=2021.1.0<2021.1.30
OpenNMS Meridian>=2022.1.0<2022.1.19
OpenNMS Meridian>=2023.1.0<2023.1.6

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Frequently Asked Questions

  • What is the severity of CVE-2023-40313?

    The severity of CVE-2023-40313 is high, with a severity value of 8.8.

  • How does CVE-2023-40313 affect OpenNMS Horizon?

    CVE-2023-40313 affects OpenNMS Horizon versions earlier than 32.0.2, allowing arbitrary remote Java code execution.

  • How does CVE-2023-40313 affect OpenNMS Meridian?

    CVE-2023-40313 affects OpenNMS Meridian versions up to and including 2020.1.38, 2021.1.30, and 2022.1.19, allowing arbitrary remote Java code execution.

  • How can I fix CVE-2023-40313 in OpenNMS Horizon?

    To fix CVE-2023-40313 in OpenNMS Horizon, upgrade to version 32.0.2 or newer.

  • How can I fix CVE-2023-40313 in OpenNMS Meridian?

    To fix CVE-2023-40313 in OpenNMS Meridian, upgrade to version 2023.1.6, 2022.1.19, 2021.1.30, or 2020.1.38.


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