Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30931

Medium 5.5

In plain English

A medium-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 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.9%top 40.5% 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 validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. A malicious application may be able to disclose kernel memory.

Affected products (as reported)

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

References