CVE-2023-0870
Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)
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.
- Record
CVE-2023-0870- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2023-1053
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.
- Record
EUVD-2023-1053- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jxr6-7qg5-8wv6
OpenNMS Meridian and Horizon vulnerable to Cross-Site Request Forgery
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.
- Record
GHSA-jxr6-7qg5-8wv6- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-0870- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)
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.
- Record
CVE-2023-0870- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
OSVGHSA-jxr6-7qg5-8wv6
OpenNMS Meridian and Horizon vulnerable to Cross-Site Request Forgery
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.
- Record
GHSA-jxr6-7qg5-8wv6- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.opennms:opennms-webappMaven |
before 31.0.6 | 31.0.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-0870 is a high vulnerability (CVSS 8.1) in Opennms Horizon, published March 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. Fixed in org.opennms:opennms-webapp 31.0.6.