CVE-2021-30762

HIGH KEV

iOS <12.5.4 - Use After Free

Title source: llm

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

References (2)

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/HT212548

[Third Party Advisory, US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30762

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 15.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-06-14

InTheWild.io 2021-06-14

ENISA EUVD EUVD-2021-17679

CWE

CWE-416

Status published

Products (1)

apple/iphone_os < 12.5.4

Published Sep 08, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026