#VU80413 Insufficient Entropy in QNAP QTS and QuTS hero - CVE-2023-34973

Vulnerability identifier: #VU80413

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-34973

CWE-ID: CWE-331

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)
QuTS hero
Hardware solutions / Firmware

Vendor: QNAP Systems, Inc.

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient entropy issue. A remote user can predict secrets via unspecified vectors.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QNAP QTS: 5.0.1, 5.1.0

QuTS hero: h5.1.0

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External links
https://www.qnap.com/en/security-advisory/qsa-23-59

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.