CVE-2021-27943 Auth bypass in n/a

High 7.5 Published Updated

Attackers can brute-force the weak pairing code to remotely control Vizio Smart TV settings and configurations.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-27943?

CVE-2021-27943 is a high-severity authentication bypass vulnerability in n/a, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The pairing procedure used by the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs and mobile application is vulnerable to a brute-force attack (against only 10000 possibilities), allowing a threat actor to forcefully pair the device, leading to remote control of the TV settings and configurations.

Weakness: CWE-307

Which versions are affected by CVE-2021-27943?

It affects 2 products.

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

How do I fix CVE-2021-27943?

No fix has been published for CVE-2021-27943 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-27943 being exploited?

There is no known exploitation of CVE-2021-27943 in the wild and no public exploit code.

Sources

Also known as GHSA-j832-p674-7p6p.

Is CVE-2021-27943 in your software?

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

Check your SBOMs for free