CVE-2023-23355

QTS, QuTS hero, QuTScloud, QVP (QVR Pro appliances), QVR

HIGH

7.2

CVSS Score

Published: March 29, 2023 at 04:02 AM UTC

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

18 products affected across 1 vendorQTSQuTS heroQVR

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Severity

HIGH7.2

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote authenticated administrators to execute commands via unspecified vectors. QES is not affected. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2346 build 20230322 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2348 build 20230324 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%

v < 5.0.1.23464.5.* ≤ v < 4.5.4.2374 build 202304165.0.* ≤ v < 5.0.1.2346 build 202303224.5.*5.0.*

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

Affected range stops below 5.0.1.2346, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.1.2346 build 20230322, so it looks safe — our inference, not a vendor statement

QuTS hero · Qnap

95%

v < h5.0.1.2348h4.5.* ≤ v < h4.5.4.2374 build 20230417h5.0.* ≤ v < h5.0.1.2348 build 20230324h4.5.*h5.0.*

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

Affected range stops below h5.0.1.2348, so it looks safe — our inference, not a vendor statement

Affected range stops below h5.0.1.2348 build 20230324, so it looks safe — our inference, not a vendor statement

Qvp 21A Firmware · Qnap

95%

All versions

qnap-qvp-21a (same device)

Qvp 41A Firmware · Qnap

95%

All versions

qnap-qvp-41a (same device)

Qvp 41B Firmware · Qnap

95%

All versions

qnap-qvp-41b (same device)

Qvp 63A Firmware · Qnap

95%

All versions

qnap-qvp-63a (same device)

Qvp 63B Firmware · Qnap

95%

All versions

qnap-qvp-63b (same device)

Qvp 85A Firmware · Qnap

95%

All versions

qnap-qvp-85a (same device)

Qvp 85B Firmware · Qnap

95%

All versions

qnap-qvp-85b (same device)

QVR · Qnap

95%

All versions

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-23-10

References (1)

Vendor Advisory

Source: [email protected]

https://www.qnap.com/en/security-advisory/qsa-23-10

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.2HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-77CWE-78

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