Vulnerability identifier: #VU49347

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27289

CWE-ID: CWE-822

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CNCSoft-B
Server applications / SCADA systems

Vendor: Delta Electronics, Inc.

Description

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

The vulnerability exists due to untrusted pointer dereference error when processing project files. A remote attacker can create a specially crafted project file, trick the victim into opening it, trigger an untrusted pointer dereference and execute arbitrary code 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

CNCSoft-B: 1.0.0.0 - 1.0.0.2

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-007-04

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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.