CVE-2021-30776: A logic issue was addressed with improved validation

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Playing a malicious audio file may lead to an unexpected application termination.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.0% · higher than 63% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

IO

iOS · Apple

before 14.7 · source: vendor, NVD

MA

macOS · Apple

before 11.5; before 14.7; before 7.6 · source: vendor, NVD

SU

Security Update - Catalina · Apple

before 2021 · source: vendor

MO

Mac OS X · Apple

10.15 through 10.15.6; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; +4 more · source: NVD

TV

Tvos · Apple

before 14.7 · source: NVD

WA

Watchos · Apple

before 7.6 · source: NVD