Vulnerability · Published Apr 4, 2022 · Assigned by icscert

CVE-2021-32978Automation Direct CLICK PLC CPU Modules Plaintext Storage of a Password

High 7.5

In plain English

A high-severity security flaw in CLICK PLC CPU Modules: C0-1x CPUs from Automation Direct. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 36.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.

Affected products (as reported)

VendorProductVersions
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs unspecified – before 3.00

Weakness: CWE-256 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References