Vulnerability · Published Aug 31, 2022 · Assigned by icscert

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

High 7.7

In plain English

A high-severity security flaw in DirectLOGIC D0-06 series CPUs from AutomationDirect. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.8%top 44.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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;

Affected products (as reported)

VendorProductVersions
AutomationDirect DirectLOGIC D0-06 series CPUs D0-06DD1 – before 2.72D0-06DD2 – before 2.72D0-06DR – before 2.72D0-06DA – before 2.72D0-06AR – before 2.72D0-06AA – before 2.72D0-06DD1-D – before 2.72D0-06DD2-D – before 2.72

Weakness: CWE-319 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References