A vulnerability was found in QNAP QTS and QuTS hero. It has been declared as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to inject malicious code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

The weakness was disclosed by Hussain Adnan Hashim as qsa-24-20. The advisory is shared at qnap.com. This vulnerability is known as CVE-2024-21897 since 01/03/2024. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 5.1.6.2722 Build 20240402 eliminates this vulnerability.

The entries VDB-262160, VDB-262161, VDB-262162 and VDB-262163 are pretty similar.

Productinfo

Type

• Network Attached Storage Software

Vendor

• QNAP

Name

• QTS
• QuTS hero

Version

• 4.5.4.2790 Build 20240605
• 5.1.3.2578 Build 20231110
• 5.1.4.2596 Build 20231128

License

• commercial

CPE 2.3info

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CPE 2.2info

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