#VU76707 Insufficient Type Distinction in WebAccess/SCADA - CVE-2023-2866

Vulnerability identifier: #VU76707

Vulnerability risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-2866

CWE-ID: CWE-351

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 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
https://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.

Is there known malware, which exploits this vulnerability?

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