Apple Releases Zero-Day Security Updates

Threat ID:: CC-3911
Threat Severity:: Information only
Published:: 27 July 2021 11:14 AM

Report a cyber attack: call 0300 303 5222 or email [email protected]

Affected platforms

The following platforms are known to be affected:

Versions: 14.7 and older

iOS

Versions: 14.7 and older

iPadOS

Versions: 11.5 and older

macOS Big Sur

Threat details

Introduction

Apple has released security updates to address a zero-day kernel memory corruption vulnerability in multiple products. An attacker could exploit this vulnerability to take control of an affected system.

Proof-of-concept available

Apple has also confirmed that there is at least one publicly available proof-of-concept exploit for CVE-2021-30807, and that is may be actively deployed against vulnerable systems

Remediation advice

Affected organisations are encouraged to review the following Apple security pages and apply any relevant updates.

Remediation steps

Type	Step
Patch	iOS and iPadOS 14.7.1 https://support.apple.com/en-us/HT212623
Patch	macOS Big Sur 11.5.1 https://support.apple.com/en-us/HT212622

CVE Vulnerabilities

Status Reserved

CVE-2021-30807

Last edited: 27 July 2021 3:35 pm