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mscveMicrosoftMS:CVE-2021-34462
HistoryJul 13, 2021 - 7:00 a.m.

Windows AppX Deployment Extensions Elevation of Privilege Vulnerability

2021-07-1307:00:00
Microsoft
msrc.microsoft.com
38
windows
appx
deployment
extensions
elevation
privilege
vulnerability
microsoft

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

31.7%

JSON

Affected configurations

Vulners
Node
microsoftwindows_10_1809Range<10.0.17763.2061
OR
microsoftwindows_server_20h2Range<10.0.19042.1110
OR
microsoftwindows_10_20h2Range<10.0.19042.1110arm64
OR
microsoftwindows_10_20h2Range<10.0.19042.1110
OR
microsoftwindows_10_20h2Range<10.0.19042.1110x64
OR
microsoftwindows_server_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_2004Range<10.0.19041.1110
OR
microsoftwindows_10_1809Range<10.0.17763.2061arm64
OR
microsoftwindows_10_1809Range<10.0.17763.2061x64
OR
microsoftwindows_server_2016Range<10.0.14393.4530
OR
microsoftwindows_server_2016Range<10.0.14393.4530
OR
microsoftwindows_10_1607Range<10.0.14393.4530x64
OR
microsoftwindows_10_1607Range<10.0.14393.4530
OR
microsoftwindows_10Range<10.0.10240.19003x64
OR
microsoftwindows_10Range<10.0.10240.19003
OR
microsoftwindows_10_21h1Range<10.0.19043.1110
OR
microsoftwindows_10_21h1Range<10.0.19043.1110arm64
OR
microsoftwindows_10_21h1Range<10.0.19043.1110x64
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_10_1909Range<10.0.18363.1679
OR
microsoftwindows_server_2019Range<10.0.17763.2061
OR
microsoftwindows_server_2019Range<10.0.17763.2061
VendorProductVersionCPE
microsoftwindows_10_1809*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoftwindows_server_20h2*cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:arm64:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:*
microsoftwindows_server_2004*cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
microsoftwindows_10_2004*cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
microsoftwindows_10_1809*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
microsoftwindows_10_1809*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
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CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

31.7%

JSON
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