CVE-2021-1851

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

VendorProductVersions
AppleiOS and iPadOS>= unspecified, < 14.5
AppletvOS>= unspecified, < 14.5
ApplewatchOS>= unspecified, < 7.4
ApplemacOS>= unspecified, < 11.3
ApplemacOS>= unspecified, < 2021
ApplemacOS>= unspecified, < 2021

References

Timeline

Published
Sep 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-1851: High severity, CVSS 8.8 | Vulnix