CVE-2026-28252 PUBLISHED

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Assigner: icscert
Reserved: 25.02.2026 Published: 12.03.2026 Updated: 13.03.2026

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Trane
Product	Tracer SC
Versions	Default: unaffected affected from 0 to v4.4 SP7 (excl.)

Vendor	Trane
Product	Tracer SC+
Versions	Default: unaffected affected from 0 to v6.3.2310 (excl.)

Vendor	Trane
Product	Tracer Concierge
Versions	Default: unaffected affected from 0 to v6.3.2310 (excl.)

Solutions

Trane has released the following versions of Tracer SC+ for users to upgrade to:

CVE-2026-28252: Tracer SC+ version v6.30.2313

Credits

Noam Moshe of Claroty reported these vulnerabilities to CISA. finder

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01

Problem Types

CWE-327 Use of a Broken or Risky Cryptographic Algorithm CWE