Insufficient Type Distinction in Advantech WebAccess/SCADA

1) Insufficient Type Distinction

EUVDB-ID: #VU76707

Risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2866

CWE-ID: CWE-351 - Insufficient Type Distinction

Exploit availability: No

Description

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

The vulnerability exists due to insufficient type distinction. A remote user can trick a victim to load a specially crafted .zip file and gain full control of the SCADA server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebAccess/SCADA: 8.4.5

External links

http://www.cisa.gov/news-events/ics-advisories/icsa-23-150-01

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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