- 8.2HighCVSS base score
- 3.3%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it.
Show the exploits1
Metasploit modules1 module
- OpenNMS Horizon Authenticated RCE (Metasploit module) (opens in a new tab)
exploit/linux/http/opennms_horizon_authenticated_rceRank excellentdisclosed 1 Jul 2023
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By OpenNMS
- 6 months later
· 6 months later
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| OpenNMSCNA (assigner) | 3.1 | High8.2 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L |
| NVDNVD · Modified | 3.1 | High8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Affected products
- affected 31.0.8 – < 32.0.2
- unknown < 31.0.8
- affected 2020.0.0 – ≤ 2020.1.37
- affected 2021.0.0 – ≤ 2021.1.29
- affected 2022.0.0 – ≤ 2022.1.18
- affected 2023.0.0 – ≤ 2023.1.5
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.opennms:opennms-webapp-restGHSA-w5gq-xrrp-3fxf (opens in a new tab)
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-2369 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-w5gq-xrrp-3fxf (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-0872)Record last updated .