Trane Tracer SC Sensitive Information Exposure Vulnerability
Monitor5.3ICS-CERT ICSA-16-259-03Jun 19, 2016
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary
Trane Tracer SC versions 4.2.1134 and earlier contain a sensitive information exposure vulnerability that allows unauthenticated network-based access to read configuration and authentication data from the system. This exposure could reveal system credentials, architectural details, or other sensitive information used to manage building HVAC and controls infrastructure. No patch is currently available from the vendor.
What this means
What could happen
An attacker on your network could read sensitive configuration or authentication information from the Tracer SC system, potentially compromising credentials or exposing system design details used to manage your HVAC and building controls.
Who's at risk
Building facilities managers and HVAC system operators using Trane Tracer SC building management systems. This affects any organization relying on Tracer SC for centralized control of heating, ventilation, and air conditioning equipment in commercial or industrial facilities.
How it could be exploited
An attacker with network access to the Tracer SC device could retrieve sensitive information through unauthenticated network requests. No user interaction or special credentials are required to access the exposed data.
Prerequisites
- Network access to Tracer SC on port 80/443 or other accessible service ports
- No authentication credentials required
remotely exploitableno authentication requiredlow complexityno patch available
Exploitability
Low exploit probability (EPSS 0.6%)
Affected products (1)
ProductAffected VersionsFix Status
Tracer SC: <=4.2.1134≤ 4.2.1134No fix (EOL)
Remediation & Mitigation
0/4
Do now
0/1HARDENINGImplement network segmentation and firewall rules to restrict access to Tracer SC management interfaces to authorized engineering workstations only
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HARDENINGMonitor network traffic to and from Tracer SC for unusual access patterns or information exfiltration
HARDENINGReview system logs and audit trails to determine if sensitive information has been accessed
Mitigations - no patch available
0/1Tracer SC: <=4.2.1134 has reached End of Life. The vendor will not release a patch. Apply the following compensating controls:
HARDENINGImplement VPN or out-of-band management access for all remote engineering connections to Tracer SC
CVEs (1)
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