CVE-2020-12046 Information

Description

Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Reference

https://www.us-cert.gov/ics/advisories/icsa-20-135-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.7