CVE-2023-41991 KEV
5.5
MEDIUM · CVSS 3.1 · EPSS 13.4% (pctl 96)
Patch first
On CISA KEV — known exploited in the wild, due 2023-10-16.
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.
Scoring
| CVSS | 5.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| EPSS | 13.38% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-295 |
| On CISA KEV | yes — remediate by 2023-10-16 |
| Public exploit | none known |
| Published | 2023-09-21 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Apple Multiple Products Improper Certificate Validation Vulnerability |
|---|---|
| Added | 2023-09-25 |
| Due | 2023-10-16 |
| Vendor / product | Apple / Multiple Products |
| Ransomware use | none reported |
Affected (3)
| Vendor | Product |
|---|---|
| apple | ipados |
| apple | iphone os |
| apple | macos |
References
- 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
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