A vulnerability classified as problematic was found in QNAP QTS, QuTS hero and QuTScloud (version now known). Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. The summary by CVE is:

An improper restriction of excessive authentication attempts vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local network authenticated administrators to perform an arbitrary number of authentication attempts via unspecified vectors. QuTScloud is not affected. We have already fixed the vulnerability in the following versions: QTS 5.2.0.2782 build 20240601 and later QuTS hero h5.2.0.2782 build 20240601 and later

The weakness was released by Aliz Hammond as qsa-24-28. It is possible to read the advisory at qnap.com. This vulnerability is known as CVE-2024-32771 since 04/18/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

Productinfo

Type

• Network Attached Storage Software

Vendor

• QNAP

Name

• QTS
• QuTScloud
• QuTS hero

License

• commercial

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