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CVE-2023-41991Apple Multiple Products Improper Certificate Validation Vulnerability
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.
5.5 MEDIUMEPSS 13.38%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 5.5 | MEDIUM | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
CISA required action
⚡ Known exploited · remediation due Oct 16, 2023
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2023-41991
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Sep 21, 2023
- Last modified
- 2026-06-17 06:23 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
AppleiOS and iPadOS1 version range
- before 16.7
ApplemacOS1 version range
- before 13.6
References
- support.apple.com https://support.apple.com/en-us/HT213927
- support.apple.com https://support.apple.com/en-us/HT213931
- support.apple.com https://support.apple.com/kb/HT213927
- support.apple.com https://support.apple.com/kb/HT213931
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41991