CVE-2021-30773

Description

An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.14%

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

Affected: Apple iOS

Affected: Apple tvOS

Affected: Apple watchOS

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-2021-30773?: CVE-2021-30773 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30773?: To fix CVE-2021-30773, 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-2021-30773 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30773 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-2021-30773?: CVE-2021-30773 affects Apple iOS, Apple tvOS, Apple watchOS.

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