7.7high

CVE-2022-2003

AutomationDirect DirectLOGIC with Serial Communication Cleartext Transmission

Published 4 y ago · modified 4 mo ago · JSON

CVSS
7.7
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.8%
percentile 56%
Public exploits
0
none known

Summary

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;

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction (EPSS)

0.77% probability of exploitation in the next 30 days, higher than 56% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.17.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA3.17.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD3.19.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • AutomationDirect DirectLOGIC D0-06 series CPUs

Classification

Weakness
  • CWE-319 Cleartext Transmission of Sensitive Information

References

  • cisa.gov /uscert/ics/advisories/icsa-22-167-02 · x_refsource_CONFIRM, x_transferred
  • cisa.gov /uscert/ics/advisories/icsa-22-167-03 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.