5.5

CVE-2023-41991

Warning

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.

Data is provided by the National Vulnerability Database (NVD)
Apple ≫ iPadOS Version < 16.7
Apple ≫ iPadOS Version17.0
Apple ≫ iPhone OS Version < 16.7
Apple ≫ iPhone OS Version17.0
Apple ≫ macOS Version >= 13.0 < 13.6

25.09.2023: CISA Known Exploited Vulnerabilities (KEV) Catalog

Apple Multiple Products Improper Certificate Validation Vulnerability

Vulnerability

Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.

Description

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 5.89% 0.901
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.