Command injection in QNAP QTS and QuTS hero



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-25847
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 QuTS hero
Hardware solutions / Firmware

QNAP QTS
Server applications / File servers (FTP/HTTP)

Vendor QNAP Systems, Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU49147

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-25847

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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 unauthenticated attacker 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

QuTS hero: h4.5.0.1279 build 20200421 - h4.5.1.1472 build 20201031

QNAP QTS: 4.4.0.0752 20181112 - 4.5.1.1480 20201108

CPE2.3 External links

https://www.qnap.com/en/security-advisory/qsa-20-18


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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