Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30780

High 7.8

In plain English

A high-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.3%top 29.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.

Affected products (as reported)

VendorProductVersions
Apple Security Update - Catalina unspecified – before 2021
Apple iOS unspecified – before 14.7
Apple macOS unspecified – before 11.5
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 14.7
Apple macOS unspecified – before 7.6

References