#VU26713 OS Command Injection in WebAccess/NMS - CVE-2020-10603

Vulnerability identifier: #VU26713

Vulnerability risk: High

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:Amber]

CVE-ID: CVE-2020-10603

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WebAccess/NMS
Server applications / Remote management servers, RDP, SSH

Vendor: Advantech Co., Ltd

Description

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

The vulnerability exists due to the application does not properly sanitize user input. A remote authenticated attacker can 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

WebAccess/NMS: before 3.0.2

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-098-01

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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.