CVE-2021-27942 — MEDIUM (6.8)

Vulnerability Description

Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Vizio	P65-F1 Firmware	6.0.31.4-2
Vizio	P65-F1	-
Vizio	E50X-E1 Firmware	10.0.31.4-2
Vizio	E50X-E1	-

References

https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-driveExploitThird Party Advisory
https://www.l9group.com/advisories/vizio-tv-code-execution-from-a-usb-driveExploitThird Party Advisory

FAQ

What is CVE-2021-27942?

CVE-2021-27942 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effective...

How severe is CVE-2021-27942?

CVE-2021-27942 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27942?

Check the references section above for vendor advisories and patch information. Affected products include: Vizio P65-F1 Firmware, Vizio P65-F1, Vizio E50X-E1 Firmware, Vizio E50X-E1.