Is CVE-2023-0872 actively exploited?

No active exploitation of CVE-2023-0872 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-0872 be exploited remotely?

Partially. CVE-2023-0872 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2023-0872?

CVE-2023-0872 has a CVSS score of 8.0 (HIGH).

HOME VULNERABILITIESCVE-2023-0872

HIGH

CVE-2023-0872

CWE-269Published: August 14, 2023· Updated: Jun 17, 2026

8.0

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-0872 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.