CVE-2023-41991

Known Exploited

Description

A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 6.20% Top 10%
KEV Since 
Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT213927 vendor advisory
https://support.apple.com/en-us/HT213931 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-41991?
CVE-2023-41991 has been scored as a medium severity vulnerability.
How to fix CVE-2023-41991?
To fix CVE-2023-41991, 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-2023-41991 being actively exploited in the wild?
It is confirmed that CVE-2023-41991 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-41991?
CVE-2023-41991 affects Apple iOS and iPadOS, Apple macOS.
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