CVE-2021-30993

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.85% Top 20%
Affected: Apple watchOS
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-30993?
CVE-2021-30993 has been scored as a high severity vulnerability.
How to fix CVE-2021-30993?
To fix CVE-2021-30993, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30993 being actively exploited in the wild?
It is possible that CVE-2021-30993 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30993?
CVE-2021-30993 affects Apple watchOS, Apple iOS and iPadOS, Apple macOS, Apple macOS.
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