CVE-2021-38448
Trane Symbio Improper Control of Generation of Code
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Trane Symbio Improper Control of Generation of Code
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.
- Record
CVE-2021-38448- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2021-24900
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.
- Record
EUVD-2021-24900- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5mr6-hrm2-p724
The affected controllers do not properly sanitize the input containing code syntax. As a result,...
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.
- Record
GHSA-5mr6-hrm2-p724- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-38448- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H - CVSS 3.1
- 7.6 High
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38448 is a high vulnerability (CVSS 7.5) in Trane Symbio, published November 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.