medium5.5Known exploited
CVE-2023-41991
Apple Multiple Products Improper Certificate Validation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-09-25. Federal due date: 2023-10-16.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 16.7 Version 17.0 |
| Apple | Iphone Os | before 16.7 Version 17.0 |
| Apple | Macos | from 13.0 before 13.6 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://support.apple.com/en-us/HT213927
- https://support.apple.com/en-us/HT213931
- https://support.apple.com/en-us/HT213927
- https://support.apple.com/en-us/HT213931
- https://support.apple.com/kb/HT213927
- https://support.apple.com/kb/HT213931
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41991