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CVE-2021-31979

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
14/07/2021
Last modified:
03/04/2025

Description

Windows Kernel Elevation of Privilege Vulnerability

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
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:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* 10.0.10240.19003 (excluding)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* 10.0.14393.4530 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* 10.0.17763.2061 (excluding)
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* 10.0.18363.1679 (excluding)
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* 10.0.19041.1110 (excluding)
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* 10.0.19042.1110 (excluding)
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* 10.0.19043.1110 (excluding)
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:* 10.0.19041.1110 (excluding)
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools