Vulnerability identifier: #VU57330

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38431

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WebAccess/SCADA
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system. 

The vulnerability exists due to missing authorization. A remote authenticated attacker can use API functions to disclose project names and paths from other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WebAccess/SCADA: 9.0.0 - 9.0.3

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-285-01

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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.