How severe is CVE-2023-40291?

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

Vulnerability in Samsung Harman Infotainment

CVE-2023-40291

Harman Infotainment 20190525031613 allows root access via SSH over a USB-to-Ethernet dongle with a password that is an internal project name.

Published 2023-08-14 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.005 (40.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Samsung Harman Infotainment — versions 20190525031613

References

autohack.in/2023/07/26/dude-its-my-car-how-to-develop-intimacy-with-your-car/ (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40291?: CVE-2023-40291 is a medium-severity vulnerability in Samsung Harman Infotainment. CVSS score: 6.8/10. Published 2023-08-14.
How severe is CVE-2023-40291?: Medium severity. CVSS v3 base score is 6.8 out of 10.