CVE-2023-0872

HIGH

OpenNMS Horizon 31.0.8-31.0.11 and Meridian 2020.0.0-2020.1.37 - Privilege Escalation via Users Endpoint

Title source: llm

Description

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 (2)

Core 2

Core References

Release Notes

https://docs.opennms.com/horizon/32/releasenotes/changelog.html

Patch

https://github.com/OpenNMS/opennms/pull/6354

Scores

CVSS v3 8.2

EPSS 0.0295

EPSS Percentile 85.4%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-269

Status published

Products (3)

opennms/horizon 31.0.8 - 32.0.2

opennms/meridian 2020.0.0 - 2020.1.37

org.opennms/opennms-webapp-rest 31.0.8 - 32.0.2Maven

Published Aug 14, 2023

Tracked Since Feb 18, 2026