CVE-2020-27940 Code injection in Apple TV app for Fire OS

Medium 4.3 Published 8 Sep 2021 Updated 4 Aug 2024

An attacker with file system access can modify app scripts to execute arbitrary code, requiring an upgrade to the fixed version.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-27940?

CVE-2020-27940 is a medium-severity code injection vulnerability in Apple TV app for Fire OS, published on 8 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

This issue was addressed with improved file handling. This issue is fixed in Apple TV app for Fire OS 6.1.0.6A142:7.1.0. An attacker with file system access may modify scripts used by the app.

Which versions are affected by CVE-2020-27940?

It affects 1 product.

Products include Apple Apple Tv.

How do I fix CVE-2020-27940?

No fix has been published for CVE-2020-27940 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-2020-27940 being exploited?

There is no known exploitation of CVE-2020-27940 in the wild and no public exploit code.

Sources

Also known as GHSA-82p8-66pg-8588.