ICSA-22-242-08
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Published 2022-08-30
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View on CISA ICS-CERT ↗
Honeywell Trend Controls Inter-Controller Protocol
CVSS 7.1
HIGH
Risk Summary
Successful exploitation of this vulnerability could cause the loss of authentication information in cleartext by sniffing network traffic.
CVEs (1)
Remediations
- Procure and utilize currently supported hardware through reputable supply channels.
- Apply product updates as available.
- Follow guidance in the product security manual to ensure isolation of network segments upon which building automation controllers reside.
- Ensure adequate security controls are in place between OT and IT network segments.
- Disable unnecessary accounts and services.
- Restrict system access to authorized personnel only and follow a least privilege approach.
- Apply defense-in-depth strategies.
- Log and monitor network traffic for suspicious activity.
- For IQ4 Series controllers, ensure the latest available firmware version is utilized. The latest firmware may be obtained from a dealer or the Trend Partner Network (login required).
- Follow the Security Best Practice for Trend Products included with product documentation. Additional copies may be obtained from a dealer or the Trend Partner Network (login required).
Affected Vendors
Honeywell
Affected Products (1)
Honeywell
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IQ Series Controllers that utilize Inter-Controller (IC) protocol
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Affected Sectors
Multiple
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