CVE-2023-23524

HIGH EXPLOITED

iPadOS < 16.3.1 - Denial of Service via Maliciously Crafted Certificate

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-23524 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

A denial-of-service issue was addressed with improved input validation. This issue is fixed in tvOS 16.3.2, iOS 16.3.1 and iPadOS 16.3.1, watchOS 9.3.1, macOS Ventura 13.2.1. Processing a maliciously crafted certificate may lead to a denial-of-service.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0042
EPSS Percentile 61.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

VulnCheck KEV 2023-02-13
CWE
CWE-400
Status published
Products (5)
apple/ipados < 16.3.1
apple/iphone_os < 16.3.1
apple/macos < 13.2.1
apple/tvos < 16.3.2
apple/watchos < 9.3.1
Published Feb 27, 2023
Tracked Since Feb 18, 2026