#VU101338 Link following in Qsync Central - CVE-2024-50404

Vulnerability identifier: #VU101338

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2024-50404

CWE-ID: CWE-59

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Qsync Central
Other software / Other software solutions

Vendor: QNAP Systems, Inc.

Description

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

The vulnerability exists due to insecure link following in Microsoft PC Manager. A remote user can traverse the file system to unintended locations.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Qsync Central: before 4.4.0.16_20240819

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External links
https://www.qnap.com/en/security-advisory/qsa-24-48

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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. However, proof of concept for this vulnerability is available.