#VU87319 OS Command Injection in QNAP Systems, Inc. products - CVE-2024-21900

Vulnerability identifier: #VU87319

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-2024-21900

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)
QuTS hero
Hardware solutions / Firmware
QuTScloud
Operating systems & Components / Operating system
myQNAPcloud
Operating systems & Components / Operating system package or component

Vendor: QNAP Systems, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QNAP QTS: before 4.5.4.2627, 5.1.3.2578, 4.5.4.2627, 4.5.4.2627

QuTS hero: before h4.5.4.2626 build 20231225

QuTScloud: before c5.1.5.2651

myQNAPcloud: before 1.0.52

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External links
https://www.qnap.com/en/security-advisory/qsa-24-09

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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.