CVE-2022-2003 HIGH

CVE-2022-2003: AutomationDirect DirectLOGIC with Serial Communication Cleartext Transmission

Vendor Automationdirect
Product DirectLOGIC D0-06 series CPUs
Weakness CWE-319 · Cleartext transmission
Published August 31, 2022
Last update April 16, 2025
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

AutomationDirect DirectLOGIC is vulnerable to a specifically crafted serial message to the CPU serial port that will cause the PLC to respond with the PLC password in cleartext. This could allow an attacker to access and make unauthorized changes. This issue affects: AutomationDirect DirectLOGIC D0-06 series CPUs D0-06DD1 versions prior to 2.72; D0-06DD2 versions prior to 2.72; D0-06DR versions prior to 2.72; D0-06DA versions prior to 2.72; D0-06AR versions prior to 2.72; D0-06AA versions prior to 2.72; D0-06DD1-D versions prior to 2.72; D0-06DD2-D versions prior to 2.72; D0-06DR-D versions prior to 2.72;

Key dates

02Disclosure timeline

August 31, 2022 CVE published
April 16, 2025 Record updated