CVE-2020-27911

Severity CVSS v4.0:

Pending analysis

Type:

CWE-190 Integer Overflow or Wraparound

Publication date:

08/12/2020

Last modified:

10/03/2021

Description

An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

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

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0

9.30

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apple:icloud::::::windows::*		11.5 (excluding)
cpe:2.3:a:apple:itunes::::::windows::*		12.11 (excluding)
cpe:2.3:o:apple:ipados::::::::		14.2 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		14.2 (excluding)
cpe:2.3:o:apple:macos::::::::	11.0 (including)	11.0.1 (excluding)
cpe:2.3:o:apple:tvos::::::::		14.2 (excluding)
cpe:2.3:o:apple:watchos::::::::		7.1 (excluding)

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

CVE-2020-27911

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools