CVE-2023-39301

Name: CVE-2023-39301
Creator: NVD / NIST
Published: 2023-11-03T17:15:08.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-39301 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A server-side request forgery (SSRF) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to read application data via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2514 build 20230906 and later QTS 5.1.1.2491 build 20230815 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.1.2488 build 20230812 and later QuTScloud c5.1.0.2498 and later . EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

A server-side request forgery (SSRF) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to read application data via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2514 build 20230906 and later QTS 5.1.1.2491 build 20230815 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.1.2488 build 20230812 and later QuTScloud c5.1.0.2498 and later

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.34%

25.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Qnap	Qts	< 5.1.1.2491
Qnap	Qts	< 5.0.1.2514
Qnap	Quts Hero	< h5.1.1.2488
Qnap	Quts Hero	< h5.0.1.2515
Qnap	Qutscloud	< c5.1.0.2498

References

https://www.qnap.com/en/security-advisory/qsa-23-51Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-23-51Vendor Advisory

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39301?

How severe is CVE-2023-39301?

CVE-2023-39301 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39301?

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-2023-39301?

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

Scan your code now

Source: NVD / NIST