CVE-2023-0872: opennms horizon Improper Privilege Management
Vulnerability summary
CVE-2023-0872 is a high (CVSS 8.2) Improper Privilege Management vulnerability in opennms horizon. EPSS estimates a 3.31% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-08-2023PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · MavenEcosystem advisory · calculated8.2HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
- NVDNIST8.0HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
3.31%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.31% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOpenNMS Horizon Authenticated RCE
exploit/linux/http/opennms_horizon_authenticated_rce
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Opennms2 products
The opennms group2 products
Org.opennms1 product
- opennms-webapp-rest≥ 31.0.8, < 32.0.2
3 vendors · 5 products
References
5 links
- github.com/OpenNMS/opennmsPACKAGE