CVE-2023-34971

24.08.2023, 17:15

An inadequate encryption strength vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows local network clients to decrypt the data using brute force attacks 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
QTS 4.5.4.2467 build 20230718 and later
QuTS hero h5.1.0.2424 build 20230609 and later
QuTS hero h4.5.4.2476 build 20230728 and later

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	7.1 HIGH	ADJACENT_NETWORK	HIGH	NONE	CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
qnap	CNA	7.1 HIGH	ADJACENT_NETWORK	HIGH	NONE	CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 15%

Vendor	Product	Version
qnap	qts	4.5.4 ≤ 𝑥 < 4.5.4.2467
qnap	qts	5.0.1 ≤ 𝑥 < 5.0.1.2425
qnap	qts	5.1.0 ≤ 𝑥 < 5.1.0.2444

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-326 - Inadequate Encryption Strength
The software stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

References

https://www.qnap.com/en/security-advisory/qsa-23-60