Vulnerability identifier: #VU27944

Vulnerability risk: Medium

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-12046

CWE-ID: CWE-347

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PAC Project Basic
Client/Desktop applications / Other client software
PAC Project Professional
Client/Desktop applications / Other client software

Vendor: Opto22

Description

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

The vulnerability exists due to SoftPAC’s firmware files’ signatures are not verified upon firmware update. A remote authenticated attacker can replace legitimate firmware files with malicious files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PAC Project Basic: 9.6

PAC Project Professional: 9.6

---

External links
http://www.us-cert.gov/ics/advisories/icsa-20-135-01

---

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.