CVE-2021-38450 — CRITICAL (9.9)

Q: What is CVE-2021-38450?

CVE-2021-38450 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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.

Q: How severe is CVE-2021-38450?

CVE-2021-38450 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-38450?

Check the references section above for vendor advisories and patch information. Affected products include: Trane Tracer Concierge, Trane Tracer Sc Firmware, Trane Tracer Sc, Trane Tracer Sc\+ Firmware, Trane Tracer Sc\+.

Vulnerability Description

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.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Trane	Tracer Concierge	< 5.5
Trane	Tracer Sc Firmware	< 4.4
Trane	Tracer Sc	-
Trane	Tracer Sc\+ Firmware	< 5.5
Trane	Tracer Sc\+	-

Related Weaknesses (CWE)

CWE-94

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-266-02Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-266-02Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-38450?

CVE-2021-38450 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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.

How severe is CVE-2021-38450?

CVE-2021-38450 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-38450?

Check the references section above for vendor advisories and patch information. Affected products include: Trane Tracer Concierge, Trane Tracer Sc Firmware, Trane Tracer Sc, Trane Tracer Sc\+ Firmware, Trane Tracer Sc\+.