CVE-2021-30716 Denial of service in macOS

Medium 5.9 Published Updated

An attacker in a privileged network position can cause a denial of service on macOS due to a logic issue in state management.

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-2021-30716?

CVE-2021-30716 is a medium-severity denial of service vulnerability in Apple Mac Os X, published on 8 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to perform denial of service.

Which versions are affected by CVE-2021-30716?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2021-30716?

No fix has been published for CVE-2021-30716 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-30716 being exploited?

There is no known exploitation of CVE-2021-30716 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-f6j8-h69q-85jh.

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