CVE-2023-23362

QTS, QuTS hero, QuTScloud

HIGH

8.8

CVSS Score

Published: September 22, 2023 at 03:27 AM UTC

Updated: June 17, 2026 at 05:36 AM UTC

3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity

HIGH8.8

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability allows remote authenticated users to execute commands via susceptible QNAP devices. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2376 build 20230421 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2376 build 20230421 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.* ≤ v < 4.5.4.2374 build 202304164.5.4 ≤ v < 4.5.4.23745.0.* ≤ v < 5.0.1.2376 build 202304215.0.1 ≤ v < 5.0.1.23764.5.*5.0.*

Affected range stops below 4.5.4.2374, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.5.4.2374 build 20230416, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.1.2376, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.1.2376 build 20230421, so it looks safe — our inference, not a vendor statement

QuTS hero · Qnap

95%

h4.5.* ≤ v < h4.5.4.2374 build 20230417h4.5.4 ≤ v < h4.5.4.2374h5.0.* ≤ v < h5.0.1.2376 build 20230421h5.0.1 ≤ v < h5.0.1.2376h4.5.*h5.0.*

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

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

Affected range stops below h5.0.1.2376, so it looks safe — our inference, not a vendor statement

Affected range stops below h5.0.1.2376 build 20230421, so it looks safe — our inference, not a vendor statement

QuTScloud · Qnap

95%

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

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-23-18

References (1)

Vendor Advisory

Source: [email protected]

https://www.qnap.com/en/security-advisory/qsa-23-18

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGHqnap

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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