CVE-2021-30770

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple tvOS
Affected: Apple watchOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212601 release notes vendor advisory
https://support.apple.com/en-us/HT212605 release notes vendor advisory
https://support.apple.com/en-us/HT212604 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30770?
CVE-2021-30770 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30770?
To fix CVE-2021-30770, 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-2021-30770 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30770 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30770?
CVE-2021-30770 affects Apple iOS, Apple tvOS, Apple watchOS.
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