Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30880

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 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.8%top 43.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bounds read was 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. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.

Affected products (as reported)

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

References