CVE-2023-4212

Trane Thermostats Injection

Description

​A command injection vulnerability exists in Trane XL824, XL850, XL1050, and Pivot thermostats allowing an attacker to execute arbitrary commands as root using a specially crafted filename. The vulnerability requires physical access to the device via a USB stick.

Remediation

Solution:

  • Trane Technologies has pushed the patch out to all devices. The patch is available to all affected devices. As soon as the device is connected to the internet, it will check for a new firmware version. If a new version is available, the device will download and install it. Other than connecting the device to the internet, no user interaction is required. ​If a user wants to verify that they received a patch for this vulnerability, they can verify the firmware version is greater than what is listed above by navigating to the "About" screen on the thermostat. Menu > System Info > About. ​For more information, users may contact their local Trane sales office https://www.trane.com/commercial/north-america/us/en/contact-us/locate-sales-offices.html . ​Trane has published a service database article on their website https://hub.tranetechnologies.com/docs/DOC-216377  (login required).

Categories

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Third-Party Advisory cisa.gov
Affected: ​Trane Technologies XL824 Thermostat
Affected: ​Trane Technologies XL850 Thermostat
Affected: ​Trane Technologies XL1050 Thermostat
Affected: Trane Technologies Pivot Thermostat
Published at:
Updated at:

References

Link Tags
https://https://www.cisa.gov/news-events/ics-advisories/icsa-23-234-02 broken link
https://hub.tranetechnologies.com/docs/DOC-216377 permissions required
https://www.trane.com/commercial/north-america/us/en/contact-us/locate-sales-offices.html product
https://www.cisa.gov/news-events/ics-advisories/icsa-23-234-02 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-4212?
CVE-2023-4212 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4212?
To fix CVE-2023-4212: Trane Technologies has pushed the patch out to all devices. The patch is available to all affected devices. As soon as the device is connected to the internet, it will check for a new firmware version. If a new version is available, the device will download and install it. Other than connecting the device to the internet, no user interaction is required. ​If a user wants to verify that they received a patch for this vulnerability, they can verify the firmware version is greater than what is listed above by navigating to the "About" screen on the thermostat. Menu > System Info > About. ​For more information, users may contact their local Trane sales office https://www.trane.com/commercial/north-america/us/en/contact-us/locate-sales-offices.html . ​Trane has published a service database article on their website https://hub.tranetechnologies.com/docs/DOC-216377  (login required).
Is CVE-2023-4212 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4212 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4212?
CVE-2023-4212 affects ​Trane Technologies XL824 Thermostat, ​Trane Technologies XL850 Thermostat, ​Trane Technologies XL1050 Thermostat, Trane Technologies Pivot Thermostat.
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