CVE-2023-42143 — MEDIUM (5.4)

Vulnerability Description

Missing Integrity Check in Shelly TRV 20220811-152343/v2.1.8@5afc928c allows malicious users to create a backdoor by redirecting the device to an attacker-controlled machine which serves the manipulated firmware file. The device is updated with the manipulated firmware.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Shelly	Trv Firmware	2.1.8
Shelly	Trv	-

Related Weaknesses (CWE)

CWE-354

References

https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/prThird Party Advisory
https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/prThird Party Advisory

FAQ

What is CVE-2023-42143?

CVE-2023-42143 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Missing Integrity Check in Shelly TRV 20220811-152343/v2.1.8@5afc928c allows malicious users to create a backdoor by redirecting the device to an attacker-controlled machine which serves the manipulat...

How severe is CVE-2023-42143?

CVE-2023-42143 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-42143?

Check the references section above for vendor advisories and patch information. Affected products include: Shelly Trv Firmware, Shelly Trv.