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

7.7HIGH

Key Information:

Vendor

Automationdirect

Status
Directlogic D0-06 Series Cpus
Vendor
CVE Published:
31 August 2022

What is CVE-2022-2003?

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 Version(s)

DirectLOGIC D0-06 series CPUs D0-06DD1 < 2.72

DirectLOGIC D0-06 series CPUs D0-06DD2 < 2.72

DirectLOGIC D0-06 series CPUs D0-06DR < 2.72

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-167-02
x_refsource_CONFIRM
https://www.cisa.gov/uscert/ics/advisories/icsa-22-167-03
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CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sam Hanson of Dragos reported this vulnerability to CISA.
.