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CVE-2023-41991: Apple Multiple Products Improper Certificate Validation Vulnerability
Apple Multiple Products · in CISA KEV since 2023-09-25
2023-09-25added to KEV
2023-10-16federal remediation due date
13.38%EPSS exploit probability (30 days) 96.2th percentile
5.5 MEDIUMCVSS 3.1
Unknownknown ransomware use
4days from NVD publication to KEV
What it is
Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-295 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD published | 2023-09-21 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-41991.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.