Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30881

High 7.8

In plain English

A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.2%top 31.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Unpacking a maliciously crafted archive may lead to arbitrary code execution.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 15.1
Apple macOS unspecified – before 12.0
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 11.6
Apple macOS unspecified – before 8.1
Apple macOS unspecified – before 15.1

References