CVE-2021-30907: An integer overflow was addressed through improved input validation

Description

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to elevate privileges.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.0% · higher than 62% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

IO

iOS · Apple

15.0 · source: NVD

MA

macOS · Apple

11.0 before 11.6.1; 12.0 · source: NVD

IO

Ipad OS · Apple

before 14.8.1 · source: NVD

MO

Mac OS X · Apple

before 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; +4 more · source: NVD

TV

Tvos · Apple

before 15.1 · source: NVD

WA

Watchos · Apple

before 8.1 · source: NVD