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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-41991 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.apple.com/en-us/HT213927 Apple Inc., CVE Vendor Advisory 
https://support.apple.com/en-us/HT213931 Apple Inc., CVE Vendor Advisory 
https://support.apple.com/kb/HT213927 CVE Vendor Advisory 
https://support.apple.com/kb/HT213931 CVE Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41991 CISA-ADP US Government Resource 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Apple Multiple Products Improper Certificate Validation Vulnerability 09/25/2023 10/16/2023 Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-295 Improper Certificate Validation cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

23 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-41991
NVD Published Date:
09/21/2023
NVD Last Modified:
06/17/2026
Source:
Apple Inc.