How severe is CVE-2022-2004?

CVE-2022-2004 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-2004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2004?

CVE-2022-2004 primarily affects Automationdirect D0-06dd1 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-2004?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-2004 published?

CVE-2022-2004 was published on 2022-08-31 and last updated on 2026-06-17.

CVE-2022-2004

CVE-2022-2004 is a high-severity vulnerability in Automationdirect D0-06dd1 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Automationdirect D0-06dd1 Firmware
Published: 2022-08-31
Last modified: 2026-06-17

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;

Frequently asked questions

What is CVE-2022-2004?: 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;
How severe is CVE-2022-2004?: CVE-2022-2004 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-2004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2004?: CVE-2022-2004 primarily affects Automationdirect D0-06dd1 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-2004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-2004 published?: CVE-2022-2004 was published on 2022-08-31 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-167-03

Affected products (9)

cpe:2.3:o:automationdirect:d0-06dd1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06dd2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06dr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06da_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06ar_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06aa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06dd1-d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06dd2-d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:automationdirect:d0-06dr-d_firmware:*:*:*:*:*:*:*:*

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