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mscveMicrosoftMS:CVE-2023-40547
HistoryAug 13, 2024 - 7:00 a.m.

Redhat: CVE-2023-40547 Shim - RCE in HTTP boot support may lead to secure boot bypass

2024-08-1307:00:00
Microsoft
msrc.microsoft.com
6
redhat
cve-2023-40547
shim
rce
http boot
secure boot
bypass

CVSS3

8.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7

Confidence

Low

Affected configurations

Vulners
Node
microsoftwindows_11_24h2Range<10.0.26100.1457
OR
microsoftwindows_11_24h2Range<10.0.26100.1457
OR
microsoftwindows_server_2012Range<6.3.9600.22134r2
OR
microsoftwindows_server_2012Range<6.3.9600.22134r2
OR
microsoftwindows_server_2012Range<6.2.9200.25031
OR
microsoftwindows_server_2012Range<6.2.9200.25031
OR
microsoftwindows_server_2016Range<10.0.14393.7259
OR
microsoftwindows_server_2016Range<10.0.14393.7259
OR
microsoftwindows_10_1607Range<10.0.14393.7259
OR
microsoftwindows_10_1607Range<10.0.14393.7259
OR
microsoftwindows_10_1507Range<10.0.10240.20751
OR
microsoftwindows_10_1507Range<10.0.10240.20751
OR
microsoftwindows_server_23h2Range<10.0.25398.1085
OR
microsoftwindows_11_23h2Range<10.0.22631.4037
OR
microsoftwindows_11_23h2Range<10.0.22631.4037
OR
microsoftwindows_10_22h2Range<10.0.19045.4780
OR
microsoftwindows_10_22h2Range<10.0.19045.4780
OR
microsoftwindows_10_22h2Range<10.0.19045.4780
OR
microsoftwindows_11_22h2Range<10.0.22621.4037
OR
microsoftwindows_11_22h2Range<10.0.22621.4037
OR
microsoftwindows_10_21h2Range<10.0.19044.4780
OR
microsoftwindows_10_21h2Range<10.0.19044.4780
OR
microsoftwindows_10_21h2Range<10.0.19044.4780
OR
microsoftwindows_11_21h2Range<10.0.22000.3147
OR
microsoftwindows_11_21h2Range<10.0.22000.3147
OR
microsoftwindows_server_2022Range<10.0.20348.2655
OR
microsoftwindows_server_2022Range<10.0.20348.2655
OR
microsoftwindows_server_2019Range<10.0.17763.6189
OR
microsoftwindows_server_2019Range<10.0.17763.6189
OR
microsoftwindows_10_1809Range<10.0.17763.6189
OR
microsoftwindows_10_1809Range<10.0.17763.6189
OR
microsoftwindows_10_1809Range<10.0.17763.6189

CVSS3

8.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7

Confidence

Low