Trane Symbio Improper Control of Generation of Code
Priority LOW 33CWE-94Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. 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 0.00289 21st percentileScored 2026-11-07
Fix Fixed Symbio (Trane): 1.00.0023, 1.00.0007
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 | Symbio | 700 to before 1.00.0023; 800 to before 1.00.0007 | 1.00.0023, 1.00.0007 | Patch available | CNA |
- Symbio VendorTrane Affected 700 to before 1.00.0023; 800 to before 1.00.0007 Fixed in 1.00.0023, 1.00.0007 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trane:symbio_700:*:*:*:*:*:*:*:* | before 1.00.0023 | Vulnerable | Trane |
| cpe:2.3:h:trane:odyssey_split_systems:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
| cpe:2.3:a:trane:symbio_800:*:*:*:*:*:*:*:* | before 1.30.0008 | Vulnerable | Trane |
| cpe:2.3:h:trane:intellipak_1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
| cpe:2.3:h:trane:intellipak_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
| cpe:2.3:a:trane:symbio_800:*:*:*:*:*:*:*:* | before 1.10.0010 | Vulnerable | Trane |
| cpe:2.3:h:trane:ascend_air-cooled_chiller_acr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Trane |
- cpe:2.3:a:trane:symbio_700:*:*:*:*:*:*:*:* Versions before 1.00.0023 Vulnerable ·Trane
- cpe:2.3:h:trane:odyssey_split_systems:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
- cpe:2.3:a:trane:symbio_800:*:*:*:*:*:*:*:* Versions before 1.30.0008 Vulnerable ·Trane
- cpe:2.3:h:trane:intellipak_1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
- cpe:2.3:h:trane:intellipak_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
- cpe:2.3:a:trane:symbio_800:*:*:*:*:*:*:*:* Versions before 1.10.0010 Vulnerable ·Trane
- cpe:2.3:h:trane:ascend_air-cooled_chiller_acr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Trane
Remediation
- Fix · CNA Symbio (Trane) Fixed in 1.00.0023, 1.00.0007
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38448
- 2026-10-03 Alias added: GHSA-5mr6-hrm2-p724
References
Sources
- CVE-2021-38448 · CVE Program
- CVE-2021-38448 · NVD
- FIRST EPSS
- GHSA-5mr6-hrm2-p724 · GitHub Advisory Database · CC BY 4.0
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