Privilege escalation in Opennms Horizon
CVE-2023-0872
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.
Vulnerability class: Privilege Escalation
EPSS: 0.030 (85.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L.
Affected products
- Opennms Horizon
- Opennms Meridian
- The Opennms Group Horizon — versions 31.0.8, 0
- The Opennms Group Meridian — versions 2020.0.0, 2021.0.0, 2022.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@opennms.com (Release Notes)
- security@opennms.com (Patch)
Frequently asked questions
- What is CVE-2023-0872?
- CVE-2023-0872 is a high-severity vulnerability in Opennms Horizon, classified under Improper Privilege Management. CVSS score: 8.2/10. Published 2023-08-14.
- How severe is CVE-2023-0872?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-0872 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.