Vulnerability CVE-2022-21894 - CERT Civis.Net

Vulnerability Name:

CVE-2022-21894 (CCN-216300)

Assigned:

2021-12-14

Published:

2022-01-11

Updated:

2022-05-23

Summary:

Secure Boot Security Feature Bypass Vulnerability.

CVSS v3 Severity:

4.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

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

4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

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

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2022-21894

Source: XF
Type: UNKNOWN
ms-windows-cve202221894-sec-bypass(216300)

Source: CCN
Type: Microsoft Security TechCenter - January 2021
CVE-2022-21894 - Secure Boot Security Feature Bypass Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21894

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_8.1:-:*:*:*:rt:*:*:*

OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*

OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_8.1:-:*:*:*:-:*:*:*

OR cpe:/o:microsoft:windows_server:20h2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*

OR cpe:/o:microsoft:windows_8.1:::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1809::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:1607::~~~~x64~:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1909:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10:20h2:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:20h2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:21h1:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_11_21h2:10.0.22000.739:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*

Denotes that component is vulnerable