Trane Tracer Code Injection
Priority MEDIUM 45CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.
Why it matters now
EPSS 0.01049 64th percentileScored 2026-11-07
Fix Fixed Tracer SC (Trane): 4.4 SP7Tracer SC+ (Trane): 5.5 SP3+1 more product
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Trane | Tracer SC | All to before 4.4 SP7 | 4.4 SP7 | Patch available | CNA |
| Trane | Tracer SC+ | All to before 5.5 SP3 | 5.5 SP3 | Patch available | CNA |
| Trane | Tracer Concierge | All to before 5.5 SP3 | 5.5 SP3 | Patch available | CNA |
- Tracer SC VendorTrane Affected All to before 4.4 SP7 Fixed in 4.4 SP7 Patch available CNA
- Tracer SC+ VendorTrane Affected All to before 5.5 SP3 Fixed in 5.5 SP3 Patch available CNA
- Tracer Concierge VendorTrane Affected All to before 5.5 SP3 Fixed in 5.5 SP3 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trane:tracer_concierge:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Trane |
| cpe:2.3:a:trane:tracer_concierge:5.5:-:*:*:*:*:*:* | 5.5 | Vulnerable | Trane |
| cpe:2.3:o:trane:tracer_sc_firmware:*:*:*:*:*:*:*:* | before 4.4 | Vulnerable | Trane |
| cpe:2.3:o:trane:tracer_sc_firmware:4.4:-:*:*:*:*:*:* | 4.4 | Vulnerable | Trane |
| cpe:2.3:h:trane:tracer_sc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
| cpe:2.3:o:trane:tracer_sc\+_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Trane |
| cpe:2.3:o:trane:tracer_sc\+_firmware:5.5:-:*:*:*:*:*:* | 5.5 | Vulnerable | Trane |
| cpe:2.3:h:trane:tracer_sc\+:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
- cpe:2.3:a:trane:tracer_concierge:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Trane
- cpe:2.3:a:trane:tracer_concierge:5.5:-:*:*:*:*:*:* Versions 5.5 Vulnerable ·Trane
- cpe:2.3:o:trane:tracer_sc_firmware:*:*:*:*:*:*:*:* Versions before 4.4 Vulnerable ·Trane
- cpe:2.3:o:trane:tracer_sc_firmware:4.4:-:*:*:*:*:*:* Versions 4.4 Vulnerable ·Trane
- cpe:2.3:h:trane:tracer_sc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
- cpe:2.3:o:trane:tracer_sc\+_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Trane
- cpe:2.3:o:trane:tracer_sc\+_firmware:5.5:-:*:*:*:*:*:* Versions 5.5 Vulnerable ·Trane
- cpe:2.3:h:trane:tracer_sc\+:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
Remediation
- Fix · CNA Tracer SC (Trane) Fixed in 4.4 SP7
- Fix · CNA Tracer SC+ (Trane) Fixed in 5.5 SP3
- Fix · CNA Tracer Concierge (Trane) Fixed in 5.5 SP3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38450
- 2026-10-03 Alias added: GHSA-m3xr-5f4w-px4w
References
More Trane Tracer Concierge vulnerabilities
- TI-2026-22569 Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge CVSS 4.0HIGH 8.7
- TI-2026-22568 Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge CVSS 4.0CRITICAL 9.2
- TI-2026-22571 Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge CVSS 4.0HIGH 8.2
- TI-2026-22570 Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge CVSS 4.0MEDIUM 6.9
- TI-2026-22572 Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge CVSS 4.0MEDIUM 6.9
Sources
- CVE-2021-38450 · CVE Program
- CVE-2021-38450 · NVD
- FIRST EPSS
- GHSA-m3xr-5f4w-px4w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences