CVE-2023-34973

Name: CVE-2023-34973
Creator: NVD / NIST
Published: 2023-08-24T17:15:08.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2023-34973 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An insufficient entropy vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to predict secret via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QuTS hero h5.1.0.2424 build 20230609 and later . EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

An insufficient entropy vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to predict secret via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QuTS hero h5.1.0.2424 build 20230609 and later

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.38%

30.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qnap	Qts	>= 5.0.1, < 5.0.1.2425
Qnap	Qts	>= 5.1.0, < 5.1.0.2444
Qnap	Quts Hero	>= h5.1.0, < h5.1.0.2424

References

https://www.qnap.com/en/security-advisory/qsa-23-59Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-23-59Vendor Advisory

Timeline

Published: Aug 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34973?

How severe is CVE-2023-34973?

CVE-2023-34973 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34973?

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-2023-34973?

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

Scan your code now

Source: NVD / NIST