CVE-2023-0870: opennms horizon Cross-Site Request Forgery (CSRF)
Vulnerability summary
CVE-2023-0870 is a high (CVSS 8.1) Cross-Site Request Forgery (CSRF) vulnerability in opennms horizon. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22% of scored vulnerabilities.
Timeline
- 22-03-2023PublishedVulnerability first disclosed.
- 25-02-2025Last modifiedVulnerability information updated.
Description
A form can be manipulated with cross-site request forgery in multiple versions of OpenNMS Meridian and Horizon. This can potentially allow an attacker to gain access to confidential information and compromise integrity. The solution is to upgrade to Meridian 2023.1.1 or Horizon 31.0.6 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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · MavenEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:NDiffers
- NVDNIST6.7MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Opennms2 products
Org.opennms1 product
- opennms-webapp< 31.0.6
The opennms group1 product
- meridian≥ 2020.1.0, < 2020.1.33 | ≥ 2021.1.0, < 2021.1.25 | ≥ 2022.1.0, < 2022.1.14 | ≥ 2023.1.0, < 2023.1.1
3 vendors · 4 products
References
4 links- github.com/OpenNMS/opennmsPACKAGE