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Fencer Vulns
medium 6.8

CVE-2023-4212 json

Trane Thermostats Injection

published 2023-08-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54086

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

​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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-234-02 updated cvss 6.8

Trane Thermostats

  • Trane Technologies Pivot Thermostat <= 1.8 Trane Technologies XL824 Thermostat <= 5.9.8 Trane Technologies XL850 Thermostat <= 5.9.8 Trane Technologies XL1050 Thermostat <= 5.9.8
    affected: mitigation “For more information, users may contact their local Trane sales office.” trane.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • ​Trane Technologies XL824 Thermostat
  • ​Trane Technologies XL850 Thermostat
  • ​Trane Technologies XL1050 Thermostat
  • Trane Technologies Pivot Thermostat

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.