CVE-2021-30977

HIGH · CVSS 7.8 EPSS 1.51%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-24 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-30977

Severity

HIGH

CVSS

7.8

EPSS

1.51%

Original NVD Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with kernel privileges.