#VU86067 Improper Authorization in QNAP QTS and QuTScloud - CVE-2023-32967

Vulnerability identifier: #VU86067

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-32967

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)
QuTScloud
Operating systems & Components / Operating system

Vendor: QNAP Systems, Inc.

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization. A remote user can bypass intended access restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QNAP QTS: before 4.5.4.2627, 4.5.4.2627

QuTScloud: before c5.1.5.2651

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External links
https://www.qnap.com/en/security-advisory/qsa-24-01

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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.