PT-2022-10173 · Automationdirect · Click Plc Cpu Modules

Adeen Ayub + 2 · Published 2022-04-04 · Updated 2022-04-13 · CVE-2021-32980

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Automation Direct CLICK PLC CPU Modules versions prior to v3.00

Description The issue allows an attacker to connect to the PLC while an existing connection is already active, due to insufficient protection against additional software programming connections.

Recommendations For versions prior to v3.00, update the firmware to version v3.00 or later to resolve the issue.

Fix

Improper Authentication

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-287

CWE-288

Related Identifiers

CVE-2021-32980

Affected Products

Click Plc Cpu Modules

References · 3

• https://osv.dev/vulnerability/CVE-2021-32980 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32980 · Security Note
• https://cisa.gov/uscert/ics/advisories/icsa-21-166-02 · Note