CVE-2023-32970

Name: CVE-2023-32970
Creator: NVD / NIST
Published: 2023-10-13T20:15:09.83+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2023-32970 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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 . EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qnap	Qts	>= 4.5.1, < 4.5.4.2467
Qnap	Qts	>= 5.0.0.1716, < 5.0.1.2425
Qnap	Qts	>= 5.1.0, < 5.1.0.2444
Qnap	Quts Hero	>= h4.5.0, < h4.5.4.2476
Qnap	Quts Hero	>= h5.0.0, < h5.0.1.2515
Qnap	Quts Hero	>= h5.1.0, < h5.1.0.2424
Qnap	Qutscloud	>= c5.0.0.1919, < c5.1.0.2498

References

https://www.qnap.com/en/security-advisory/qsa-23-41Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-23-41Vendor Advisory

Timeline

Published: Oct 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-32970?

How severe is CVE-2023-32970?

CVE-2023-32970 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32970?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32970?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST