CVE-2022-27600

QTS, QuTS hero, QuTScloud

HIGH

7.5

CVSS Score

Published: December 19, 2024 at 01:39 AM UTC

Updated: June 17, 2026 at 04:37 AM UTC

3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity

HIGH7.5

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QTS · Qnap

95%

4.5.1 ≤ v < 4.5.4.22804.5.x ≤ v < 4.5.4.2280 build 202301125.0.0 ≤ v < 5.0.1.22775.0.x ≤ v < 5.0.1.22774.5.4.2280 4.5.x 5.0.1.2277 5.0.x

Affected range stops below 4.5.4.2280 build 20230112, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.1.2277, so it looks safe — our inference, not a vendor statement

QuTS hero · Qnap

95%

h4.5.1 ≤ v < h4.5.4.2374h4.5.x ≤ v < h4.5.4.2374 build 20230417h5.0 ≤ v < h5.0.1.2277h5.0.x ≤ v < h5.0.1.2277 build 20230112h4.5.4.2374 h4.5.x h5.0.1.2277 h5.0.x

Affected range stops below h4.5.4.2374 build 20230417, so it looks safe — our inference, not a vendor statement

Affected range stops below h5.0.1.2277 build 20230112, so it looks safe — our inference, not a vendor statement

QuTScloud · Qnap

95%

c5.0.1 ≤ v < c5.0.1.2374c5.x.x ≤ v < c5.0.1.2374c5.x.x

Affected range stops below c5.0.1.2374, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-400CWE-798

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