CVE-2022-1668

Summary

Weak default root user credentials allow remote attackers to easily obtain OS superuser privileges over the open TCP port for SSH.

Affected Software

Weaknesses

• CWE-521: CWE-521 Weak Password Requirements

Workarounds

Additional workarounds are suggested to help reduce the risk:

Configure the network such that PLC communications are strictly limited to only the devices required to perform its functions. Limit remote access and close Ports 80 and 443 at the switch level. Only use approved devices to connect to the PLCs. Do not connect personal peripherals (USB sticks, hotspots) to approved devices. Check device logs during periodic maintenance for unauthorized changes or access.

ADP Enrichment

CVE Program Container

Additional References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

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