CVE-2021-27942 Code injection in n/a

Medium 6.8 Published Updated

Attackers can execute arbitrary code on Vizio Smart TVs by placing malicious files on a USB drive accessed via Smart Cast.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-27942?

CVE-2021-27942 is a medium-severity code injection vulnerability in n/a, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2021-27942?

It affects 2 products.

Products include Vizio E50x-E1 Firmware, Vizio P65-F1 Firmware.

How do I fix CVE-2021-27942?

No fix has been published for CVE-2021-27942 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-27942 being exploited?

There is no known exploitation of CVE-2021-27942 in the wild and no public exploit code.

Sources

Also known as GHSA-f4j5-954q-h2r6.

Is CVE-2021-27942 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free