VULNERABILITY INTELLIGENCE

CVE-2021-30869

CVSS score7.8 HIGH
EPSS probability4.17%
CISA KEVKnown exploited vulnerability
Published2021-08-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

Vendor / product: Apple / iOS, iPadOS, and macOS

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Weakness classification

  • nvd@nist.gov: CWE-843
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-843

Primary references