CVE-2020-9912 Security feature bypass in Safari

Low 3.3 Published 16 Oct 2020 Updated 4 Aug 2024

An attacker can bypass origin restrictions in Safari Reader mode to alter the origin of a download frame, requiring the use of Reader mode.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-9912?

CVE-2020-9912 is a low-severity vulnerability in Apple Safari, published on 16 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A logic issue was addressed with improved restrictions. This issue is fixed in Safari 13.1.2. A malicious attacker may be able to change the origin of a frame for a download in Safari Reader mode.

Which versions are affected by CVE-2020-9912?

It affects 1 product.

Products include Apple Safari.

How do I fix CVE-2020-9912?

No fix has been published for CVE-2020-9912 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-9912 being exploited?

There is no known exploitation of CVE-2020-9912 in the wild and no public exploit code.

All Apple Safari vulnerabilities

Sources

Also known as GHSA-qcmx-2mgh-jp57.