Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30901

High 7.8

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 1.1% (higher than 67% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 33.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products (as reported)

VendorProductVersions
Apple macOS unspecified – before 12.0
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 11.6

References