CVE-2021-1769

Description

A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.07%

Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com

Affected: Apple iOS and iPadOS

Affected: Apple macOS

References

Link	Tags
https://support.apple.com/en-us/HT212147	release notes vendor advisory
https://support.apple.com/en-us/HT212146	release notes vendor advisory
https://support.apple.com/en-us/HT212148	release notes vendor advisory
https://support.apple.com/en-us/HT212149	release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1769?: CVE-2021-1769 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1769?: To fix CVE-2021-1769, 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-2021-1769 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-1769 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-2021-1769?: CVE-2021-1769 affects Apple iOS and iPadOS, Apple macOS, Apple macOS, Apple macOS.

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