CVE-2021-30965 Denial of service in macOS
A malicious application can cause a denial of service to Endpoint Security clients on macOS, requiring a system update.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30965?
CVE-2021-30965 is a medium-severity denial of service vulnerability in Apple Mac Os X, published on 24 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may be able to cause a denial of service to Endpoint Security clients.
Which versions are affected by CVE-2021-30965?
It affects 2 products.
Products include Apple Mac Os X, Apple Macos.
How do I fix CVE-2021-30965?
No fix has been published for CVE-2021-30965 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-2021-30965 being exploited?
There is no known exploitation of CVE-2021-30965 in the wild and no public exploit code.