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🛡️ CVE-2022-27600 — qts

🟡 CVSS 6.8 — Medium ✅ No Known Exploit CWE-400 NVD
6.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2022-27600 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2022-27600 is recorded against 3 packages.

  • qts
  • quts-hero
  • qutscloud (from c5.0.1 up to c5.0.1.2374)

Timeline and source

Published on 19 December 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.qnap.com

Other advisories for this package

qts has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-400: Uncontrolled Resource Consumption) in other software:

Details

Severity MEDIUM
CVSS Score 6.8
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-400
Public Exploit ✅ No
Source NVD
Published 2024-12-19
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
qts — —
quts-hero — —
qutscloud c5.0.1 c5.0.1.2374

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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