CVE-2026-28252 | BDVDB-2026-320213 Detail

TraneTracer SC

Description#

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References#

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

Exploit#

No public exploit known

History#

Version 12026-03-12Record published in the CVE List.
Version 22026-03-13Most recent update recorded in the CVE List.

Published

Published: 2026-03-12
Last modified: 2026-03-13

Vendor information

Vendor: Trane
Product: Tracer SC

All Trane vulnerabilities

Score

9.2 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 16.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< v4.4 SP7
Fixed
v4.4 SP7

Scoring System

CVSS v4.0

9.2 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	Present
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).