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CVE-2023-32970

QTS, QuTS hero, QuTScloud

MEDIUM
4.9
CVSS Score
Published: October 13, 2023 at 07:16 PM UTC
Updated: June 17, 2026 at 05:59 AM UTC
3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service (DoS) attack via a network. QES is not affected. We have already fixed the vulnerability in the following versions: QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2453 build 20230708 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 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 < 4.5.4.24674.5.x ≤ v < 4.5.4.2467 build 202307185.0.0.1716 ≤ v < 5.0.1.24255.1.0 ≤ v < 5.1.0.24445.1.x ≤ v < 5.1.0.2444 build 202306294.5.x5.1.x
Affected range stops below 4.5.4.2467, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.5.4.2467 build 20230718, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.1.2425, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.0.2444, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.0.2444 build 20230629, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h4.5.0 ≤ v < h4.5.4.2476h4.5.x ≤ v < h4.5.4.2476 build 20230728h5.0.0 ≤ v < h5.0.1.2515h5.0.x ≤ v < h5.0.1.2515 build 20230907h5.1.0 ≤ v < h5.1.0.2424h5.1.x ≤ v < h5.1.0.2453 build 20230708h4.5.xh5.0.xh5.1.x
Affected range stops below h4.5.4.2476, so it looks safe — our inference, not a vendor statement
Affected range stops below h4.5.4.2476 build 20230728, so it looks safe — our inference, not a vendor statement
Affected range stops below h5.0.1.2515, so it looks safe — our inference, not a vendor statement
Affected range stops below h5.0.1.2515 build 20230907, so it looks safe — our inference, not a vendor statement
Affected range stops below h5.1.0.2424, so it looks safe — our inference, not a vendor statement
Affected range stops below h5.1.0.2453 build 20230708, so it looks safe — our inference, not a vendor statement
QuTScloud· Qnap
95%
c5.0.0.1919 ≤ v < c5.1.0.2498c5.x ≤ v < c5.1.0.2498c5.x
Affected range stops below c5.1.0.2498, 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

References (1)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-23-41

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.9MEDIUMqnap
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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