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mscveMicrosoftMS:CVE-2021-34521
HistoryJul 13, 2021 - 7:00 a.m.

Raw Image Extension Remote Code Execution Vulnerability

2021-07-1307:00:00
Microsoft
msrc.microsoft.com
18
image extension
remote code execution
vulnerability
microsoft

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

High

EPSS

0.154

Percentile

96.0%

JSON

Affected configurations

Vulners
Node
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_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
VendorProductVersionCPE
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_10_21h1*cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
microsoftwindows_10_21h1*cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:arm64:*
microsoftwindows_10_21h1*cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:x64:*
microsoftwindows_10_1909*cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.8

Confidence

High

EPSS

0.154

Percentile

96.0%

JSON
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