CVE-2022-2004

AutomationDirect DirectLOGIC with Ethernet Communication Uncontrolled Resource Consumption

HIGH
7.5
CVSS Score
Published: August 31, 2022 at 03:59 PM UTC
Updated: June 17, 2026 at 04:41 AM UTC
19 products affected across 1 vendorD0-06dd2 FirmwareD0-06da FirmwareD0-06dd2 D Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

AutomationDirect DirectLOGIC is vulnerable to a a specially crafted packet can be sent continuously to the PLC to prevent access from DirectSoft and other devices, causing a denial-of-service condition. 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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06aa (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06ar (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06da (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dd1-d (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dd1 (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dd2-d (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dd2 (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dr-d (same device)
v < 2.72
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement
automationdirect-d0-06dr (same device)
D0-6AA ≤ v < 2.72D0-6AR ≤ v < 2.72D0-6DA ≤ v < 2.72D0-6DD1 ≤ v < 2.72D0-6DD1-D ≤ v < 2.72D0-6DD2 ≤ v < 2.72D0-6DD2-D ≤ v < 2.72D0-6DR ≤ v < 2.72D0-6DR-D ≤ v < 2.72D0-6AAD0-6ARD0-6DAD0-6DD1D0-6DD1-DD0-6DD2D0-6DD2-DD0-6DRD0-6DR-D
Affected range stops below 2.72, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMPatchThird Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-167-03

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHicscert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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