How severe is CVE-2018-3920?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Yitechnology Yi Home Camera

CVE-2018-3920

An exploitable code execution vulnerability exists in the firmware update functionality of the Yi Home Camera 27US 1.8.7.0D. A specially crafted 7-Zip file can cause a CRC collision, resulting in a firmware update and code execution. An attacker can insert an SDcard to trigger this vulnerability.

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yitechnology Yi_home_camera
Yitechnology Yi_home_camera_firmware — versions 1.8.7.0d
Unknown Yi Technology — versions Yi Technology Home Camera 27US 1.8.7.0D

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3920?: CVE-2018-3920 is a medium-severity vulnerability in Yitechnology Yi Home Camera. CVSS score: 6.8/10. Published 2018-11-02.
How severe is CVE-2018-3920?: Medium severity. CVSS v3 base score is 6.8 out of 10.