CVE-2023-41991

5.5 MEDIUM CISA KEV - Actively Exploited
Published: September 21, 2023 Modified: November 05, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/HT213927
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT213931
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT213927
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT213931
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/kb/HT213927
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/kb/HT213931
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41991
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
4.2%
88th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-10-16

Weaknesses (CWE)

CWE-295 CWE-295

Affected Vendors

apple

Related CVEs

CVE-2025-52691 10.0
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CVE-2025-15165 7.3