🛡️ CVE-2023-32970 — qts

🟡 CVSS 4.9 — Medium ✅ No Known Exploit CWE-476 NVD
4.9
CVSS Score
0 Low4 Medium7 High9 Critical10

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2023-32970 is classified as CWE-476: NULL Pointer Dereference. A pointer that can be null is used without a check, crashing the process.

Affected software

CVE-2023-32970 is recorded against 3 packages.

  • qts (from 5.1.0 up to 5.1.0.2444)
  • quts-hero (from h5.1.0 up to h5.1.0.2424)
  • qutscloud (from c5.0.0.1919 up to c5.1.0.2498)

Timeline and source

Published on 13 October 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.qnap.com
www.qnap.com

Details

Severity MEDIUM
CVSS Score 4.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit ✅ No
Source NVD
Published 2023-10-13
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
qts 5.1.0 5.1.0.2444
quts-hero h5.1.0 h5.1.0.2424
qutscloud c5.0.0.1919 c5.1.0.2498

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