CVE-2021-1849

Description

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple tvOS
Affected: Apple watchOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212317 vendor advisory
https://support.apple.com/en-us/HT212323 vendor advisory
https://support.apple.com/en-us/HT212324 vendor advisory
https://support.apple.com/en-us/HT212325 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1849?
CVE-2021-1849 has been scored as a high severity vulnerability.
How to fix CVE-2021-1849?
To fix CVE-2021-1849, 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-2021-1849 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1849 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-2021-1849?
CVE-2021-1849 affects Apple iOS and iPadOS, Apple tvOS, Apple watchOS, Apple macOS.
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