CVE-2022-21894

CVE Enrichment

CVSS: 4.4 MEDIUM
EPSS: 6.77%
EPSS Percentile: 93.97%
CISA KEV: Not listed

Description

Secure Boot Security Feature Bypass Vulnerability

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 12-Jan-2022 04:15
Last Modified: 17-Jun-2026 11:27
EPSS Date: 2026-10-22
CWE: CWE-863

CVSS Vector


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

Affected Products / Versions

microsoft / windows_10
Version / affected range: -
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: -
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 20h2
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
microsoft / windows_10
Version / affected range: 20h2
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 20h2
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 21h1
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
microsoft / windows_10
Version / affected range: 21h1
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 21h1
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 21h2
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*
microsoft / windows_10
Version / affected range: 21h2
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 21h2
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 1607
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 1607
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
microsoft / windows_10
Version / affected range: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
microsoft / windows_10
Version / affected range: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
microsoft / windows_10
Version / affected range: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
microsoft / windows_10
Version / affected range: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
microsoft / windows_11
Version / affected range: -
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
microsoft / windows_11
Version / affected range: -
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
microsoft / windows_8.1
Version / affected range: -
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:-:*:*:*
microsoft / windows_8.1
Version / affected range: -
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:*
microsoft / windows_server
Version / affected range: 20h2
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
microsoft / windows_server
Version / affected range: 2022
cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*
microsoft / windows_server_2012
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft / windows_server_2012
Version / affected range: r2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoft / windows_server_2016
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft / windows_server_2019
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

References

Last enrichment sync: 22-Oct-2026 21:46
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (3)

has been circulating on hacker forums since October 2022 and leveraged the Baton Drop vulnerability (CVE-2022-21894) to bypass Secure Boot protection. BlackX UEFI Bootkit Exploits Baton Drop to Bypass Secure Boot
BlackLotus is designed to exploit a now-patched Secure Boot bypass vulnerability tracked as CVE-2022-21894 (CVSS score: 4.4), also known as Baton Drop, to load malicious code before the operating system starts. However, BlackX Bootkit Targets Windows Systems Missing Secure Boot Revocations
The researchers tracked down samples of this bootkit and confirmed that it can indeed bypass Secure Boot through a vulnerability called Baton Drop (CVE-2022-21894). BlackX UEFI Bootkit Exploits Baton Drop in Central Asia APT Campaign

Malware (4)

People (3)

Threat Actors (5)

MITRE ATT&CK (15)

Vendors (4)

Products (5)

Industries (3)

Countries (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.