CVE-2023-41991

moderate-risk
Published 2023-09-21

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.

Do I need to act?

~
3.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (5)

Affected Vendors

Apple

References (7)

Vendor Advisory https://support.apple.com/en-us/HT213927
Vendor Advisory https://support.apple.com/en-us/HT213931
Vendor Advisory https://support.apple.com/en-us/HT213927
Vendor Advisory https://support.apple.com/en-us/HT213931
Vendor Advisory https://support.apple.com/kb/HT213927
Vendor Advisory https://support.apple.com/kb/HT213931
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
43
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 13/34 · Low
Exposure 12/34 · Low