CVE-2020-27950

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

08/12/2020

Last modified:

27/10/2025

Description

A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:C/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): None
Availability (A): None

Base Score 2.0

7.10

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:apple:ipados::::::::		14.2 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		12.4.9 (excluding)
cpe:2.3:o:apple:iphone_os::::::::	14.0 (including)	14.2 (excluding)
cpe:2.3:o:apple:macos::::::::		10.15.7 (excluding)
cpe:2.3:o:apple:macos::::::::	11.0 (including)	11.0.1 (excluding)
cpe:2.3:o:apple:watchos::::::::		5.3.9 (excluding)
cpe:2.3:o:apple:watchos::::::::	6.0 (including)	6.2.9 (excluding)
cpe:2.3:o:apple:watchos::::::::	7.0 (including)	7.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-27950

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools