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MicrosoftMS:CVE-2021-31205

HistoryMay 11, 2021 - 7:00 a.m.

Windows SMB Client Security Feature Bypass Vulnerability

2021-05-1107:00:00

Microsoft

msrc.microsoft.com

windows

smb client

security

feature bypass

vulnerability

microsoft

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.005

Percentile

76.2%

JSON

Affected configurations

Vulners

Node

microsoftwindows_server_20h2Range<10.0.19042.982

microsoftwindows_10_20h2Range<10.0.19042.982

microsoftwindows_server_2004Range<10.0.19041.982

microsoftwindows_10_1809Range<10.0.19041.982

VendorProductVersionCPE
microsoftwindows_server_20h2*cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
microsoftwindows_server_2004*cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
microsoftwindows_10_1809*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_server_20h2	*	cpe:2.3:o:microsoft:windows_server_20h2::::::::
microsoft	windows_10_20h2	*	cpe:2.3:o:microsoft:windows_10_20h2::::::::
microsoft	windows_server_2004	*	cpe:2.3:o:microsoft:windows_server_2004::::::::
microsoft	windows_10_1809	*	cpe:2.3:o:microsoft:windows_10_1809::::::::