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mscveMicrosoftMS:CVE-2021-42279
HistoryNov 09, 2021 - 8:00 a.m.

Chakra Scripting Engine Memory Corruption Vulnerability

2021-11-0908:00:00
Microsoft
msrc.microsoft.com
22
microsoft
memory corruption
vulnerability
scripting engine

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.7

Confidence

High

EPSS

0.069

Percentile

94.1%

Affected configurations

Vulners
Node
microsoftwindows_server_2016Range<10.0.14393.4770
OR
microsoftwindows_10_1507Range<10.0.10240.19119
OR
microsoftwindows_10_1607Range<10.0.14393.4770
OR
microsoftwindows_10_1809Range<10.0.17763.2300
OR
microsoftwindows_10_1809Range<10.0.17763.2300
OR
microsoftwindows_10_1809Range<10.0.17763.2300
OR
microsoftwindows_server_2019Range<10.0.17763.2300
OR
microsoftwindows_10_1809Range<10.0.19041.1348
OR
microsoftwindows_10_1607Range<10.0.14393.4770
OR
microsoftwindows_server_2004Range<10.0.19041.1348
OR
microsoftwindows_10_1809Range<10.0.19041.1348
OR
microsoftwindows_10_1909Range<10.0.18363.1916
OR
microsoftwindows_10_1507Range<10.0.10240.19119
OR
microsoftwindows_10_20h2Range<10.0.19042.1348
OR
microsoftwindows_10_1809Range<10.0.19041.1348
OR
microsoftwindows_10_20h2Range<10.0.19042.1348
OR
microsoftwindows_10_1909Range<10.0.18363.1916
OR
microsoftwindows_10_1809Range<10.0.18363.1916
OR
microsoftwindows_server_20h2Range<10.0.19042.1348
OR
microsoftwindows_10_21h1Range<10.0.19043.1348
OR
microsoftwindows_10_21h1Range<10.0.19043.1348
OR
microsoftwindows_server_2022Range<10.0.20348.350
OR
microsoftwindows_11_21h2Range<10.0.22000.318
OR
microsoftwindows_11_21h2Range<10.0.22000.318
OR
microsoftwindows_10_21h1Range<10.0.19043.1348
VendorProductVersionCPE
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_10_1507*cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
microsoftwindows_10_1607*cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoftwindows_10_1809*cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoftwindows_server_2019*cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
microsoftwindows_server_2004*cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
microsoftwindows_10_1909*cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
microsoftwindows_server_20h2*cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
microsoftwindows_10_21h1*cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
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CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.7

Confidence

High

EPSS

0.069

Percentile

94.1%