CVE-2023-0872: OpenNMS privilege elevation vulnerability

August 14, 2023

The Horizon REST API includes a users endpoint in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms is vulnerable to elevation of privilege. 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.

OpenNMS thanks Erik Wynter for reporting this issue.

References

docs.opennms.com/horizon/32/releasenotes/changelog.html
github.com/OpenNMS/opennms/commit/e59b0ddd164cf0598ac0294d11a2d677d9e310b8
github.com/OpenNMS/opennms/pull/6354
github.com/advisories/GHSA-w5gq-xrrp-3fxf
nvd.nist.gov/vuln/detail/CVE-2023-0872

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