#VU54185 Improper Authentication in CLICK PLC CPU Module C0-1x CPUs - CVE-2021-32986

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Main Vulnerability Database Vulnerabilities #VU54185

#VU54185 Improper Authentication in CLICK PLC CPU Module C0-1x CPUs - CVE-2021-32986

Published: June 17, 2021


Vulnerability identifier: #VU54185
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-32986
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
CLICK PLC CPU Module C0-1x CPUs
Software vendor:
AutomationDirect

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to after the PLC is unlocked by an authorized user, the unlocked state does not timeout. A remote attacker can gain access to target system.


Remediation

Install updates from vendor's website.

External links