CVE-2020-9939 Security feature bypass in macOS

Medium 6.4 Published Updated

A local user can bypass security checks to load unsigned kernel extensions, potentially leading to privilege escalation or code execution.

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

What is CVE-2020-9939?

CVE-2020-9939 is a medium-severity vulnerability in Apple Mac Os X, published on 22 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernel extensions.

Weakness: CWE-367

Which versions are affected by CVE-2020-9939?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2020-9939?

No fix has been published for CVE-2020-9939 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-9939 being exploited?

There is no known exploitation of CVE-2020-9939 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-3cvr-9v2w-rhhq.

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