#VU54187 Unprotected storage of credentials in CLICK PLC CPU Module C0-1x CPUs - CVE-2021-32978 

 

#VU54187 Unprotected storage of credentials in CLICK PLC CPU Module C0-1x CPUs - CVE-2021-32978

Published: June 17, 2021


Vulnerability identifier: #VU54187
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-32978
CWE-ID: CWE-256
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 gain access to other users' credentials.

The vulnerability exists due to the programming protocol allows for a previously entered password and lock state to be read by an attacker. A remote attacker can use the password to unlock the PLC.


Remediation

Install updates from vendor's website.

External links