PT-2022-3143 · Automationdirect · Automationdirect Directlogic D0-06 Series Cpus

Sam Hanson · Published 2022-06-16 · Updated 2022-09-06 · CVE-2022-2003

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions AutomationDirect DirectLOGIC D0-06 series CPUs versions prior to 2.72

Description The issue is related to a vulnerability that allows an attacker to access the device and make unauthorized changes by sending a specifically crafted serial message to the CPU serial port, causing the PLC to respond with the PLC password in cleartext. This could enable remote attackers to gain unauthorized access to the device by obtaining the password in response to a specially formed message.

Recommendations For AutomationDirect DirectLOGIC D0-06 series CPUs versions prior to 2.72, update to version 2.72 or later to resolve the issue. As a temporary workaround, consider restricting access to the CPU serial port to minimize the risk of exploitation.

Fix

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

BDU:2022-03822

CVE-2022-2003

Affected Products

Automationdirect Directlogic D0-06 Series Cpus

References · 9

• https://cisa.gov/uscert/ics/advisories/icsa-22-167-03 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-2003 · Security Note
• https://osv.dev/vulnerability/CVE-2022-2003 · Vendor Advisory
• https://cisa.gov/uscert/ics/advisories/icsa-22-167-02 · Patch
• https://bdu.fstec.ru/vul/2022-03822 · Security Note
• https://t.me/true_secator/3080 · Telegram Post
• https://t.me/netlas/27 · Telegram Post
• https://t.me/cibsecurity/49126 · Telegram Post
• https://support.automationdirect.com/firmware · Note