Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30676

High 7.1

In plain English

A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.3%top 73.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

Affected products (as reported)

VendorProductVersions
Apple macOS unspecified – before 11.4
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 2021

References