CVE-2021-28447

Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
microsoftCNA
4.4 MEDIUM
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
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_7
-
microsoftwindows_8.1
-
microsoftwindows_rt_8.1
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
References
https://bi-zone.medium.com/measured-boot-and-malware-signatures-exploring-two-vulnerabilities-found-in-the-windows-loader-5a4fcc3c4b66
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28447
https://bi-zone.medium.com/measured-boot-and-malware-signatures-exploring-two-vulnerabilities-found-in-the-windows-loader-5a4fcc3c4b66
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28447