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kasperskyKaspersky LabKLA12139
HistoryApr 13, 2021 - 12:00 a.m.

KLA12139 Multiple vulnerabilities in Microsoft Windows

2021-04-1300:00:00
Kaspersky Lab
threats.kaspersky.com
25

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

Low

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.048 Low

EPSS

Percentile

92.6%

JSON

Detect date:

04/13/2021

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, gain privileges, execute arbitrary code, cause denial of service, spoof user interface.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Windows 10 Version 2004 for ARM64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows 10 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows Server, version 1909 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows 10 for x64-based Systems
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Windows Server 2012 R2
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Windows 10 Version 1909 for 32-bit Systems
Windows Server 2019
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
VP9 Video Extensions
Windows 8.1 for x64-based systems
Raw Image Extension
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Windows 10 Version 1909 for x64-based Systems
Microsoft Visual Studio 2015 Update 3
Windows Server 2016
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2012 (Server Core installation)
Windows 10 Version 2004 for 32-bit Systems
Windows Server 2019 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows RT 8.1
Windows 10 Version 1607 for 32-bit Systems
Windows Server, version 2004 (Server Core installation)
Windows 8.1 for 32-bit systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 1809 for 32-bit Systems
Windows Server 2012
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2016 (Server Core installation)
Windows Server 2012 R2 (Server Core installation)
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
Windows 10 Version 20H2 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2021-28435
CVE-2021-28447
CVE-2021-27096
CVE-2021-28330
CVE-2021-28338
CVE-2021-27092
CVE-2021-28329
CVE-2021-28468
CVE-2021-28438
CVE-2021-26417
CVE-2021-28332
CVE-2021-28309
CVE-2021-28342
CVE-2021-27095
CVE-2021-28334
CVE-2021-26413
CVE-2021-27089
CVE-2021-27094
CVE-2021-28358
CVE-2021-28444
CVE-2021-28336
CVE-2021-28440
CVE-2021-27091
CVE-2021-28325
CVE-2021-28441
CVE-2021-28320
CVE-2021-28322
CVE-2021-28350
CVE-2021-28335
CVE-2021-28352
CVE-2021-27086
CVE-2021-27079
CVE-2021-28340
CVE-2021-28318
CVE-2021-28312
CVE-2021-28446
CVE-2021-27072
CVE-2021-28331
CVE-2021-27088
CVE-2021-28319
CVE-2021-28311
CVE-2021-28466
CVE-2021-28356
CVE-2021-28328
CVE-2021-28349
CVE-2021-28439
CVE-2021-28313
CVE-2021-28315
CVE-2021-28344
CVE-2021-27090
CVE-2021-28355
CVE-2021-28339
CVE-2021-28351
CVE-2021-28347
CVE-2021-27093
CVE-2021-28317
CVE-2021-28345
CVE-2021-28314
CVE-2021-28464
CVE-2021-28333
CVE-2021-28323
CVE-2021-28434
CVE-2021-28437
CVE-2021-26416
CVE-2021-28316
CVE-2021-28341
CVE-2021-28321
CVE-2021-28436
CVE-2021-28337
CVE-2021-28357
CVE-2021-28310
CVE-2021-28324
CVE-2021-28326
CVE-2021-28445
CVE-2021-28346
CVE-2021-28327
CVE-2021-28353
CVE-2021-26415
CVE-2021-28443
CVE-2021-28442
CVE-2021-28348
CVE-2021-28354
CVE-2021-28343

Impacts:

ACE

Related products:

Microsoft Visual Studio

CVE-IDS:

CVE-2021-284355.5High
CVE-2021-284474.4Warning
CVE-2021-270967.8Critical
CVE-2021-283308.8Critical
CVE-2021-283388.8Critical
CVE-2021-270926.8High
CVE-2021-283298.8Critical
CVE-2021-284687.8Critical
CVE-2021-284385.5High
CVE-2021-264175.5High
CVE-2021-283328.8Critical
CVE-2021-283095.5High
CVE-2021-283428.8Critical
CVE-2021-270957.8Critical
CVE-2021-283348.8Critical
CVE-2021-264136.2High
CVE-2021-270897.8Critical
CVE-2021-270944.4Warning
CVE-2021-283588.8Critical
CVE-2021-284445.7High
CVE-2021-283368.8Critical
CVE-2021-284407.0High
CVE-2021-270917.8Critical
CVE-2021-283256.5High
CVE-2021-284416.5High
CVE-2021-283207.8Critical
CVE-2021-283227.8Critical
CVE-2021-283507.8Critical
CVE-2021-283358.8Critical
CVE-2021-283528.8Critical
CVE-2021-270867.8Critical
CVE-2021-270795.7High
CVE-2021-283408.8Critical
CVE-2021-283185.5High
CVE-2021-283123.3Warning
CVE-2021-284467.1High
CVE-2021-270727.0High
CVE-2021-283318.8Critical
CVE-2021-270887.8Critical
CVE-2021-283197.5Critical
CVE-2021-283116.5High
CVE-2021-284667.8Critical
CVE-2021-283568.8Critical
CVE-2021-283286.5High
CVE-2021-283497.8Critical
CVE-2021-284397.5Critical
CVE-2021-283137.8Critical
CVE-2021-283157.8Critical
CVE-2021-283448.8Critical
CVE-2021-270907.8Critical
CVE-2021-283558.8Critical
CVE-2021-283398.8Critical
CVE-2021-283517.8Critical
CVE-2021-283477.8Critical
CVE-2021-270935.5High
CVE-2021-283175.5High
CVE-2021-283458.8Critical
CVE-2021-283147.8Critical
CVE-2021-284647.8Critical
CVE-2021-283338.8Critical
CVE-2021-283236.5High
CVE-2021-284348.8Critical
CVE-2021-284375.5High
CVE-2021-264167.7Critical
CVE-2021-283164.2Warning
CVE-2021-283418.8Critical
CVE-2021-283217.8Critical
CVE-2021-284367.8Critical
CVE-2021-283378.8Critical
CVE-2021-283578.8Critical
CVE-2021-283107.8Critical
CVE-2021-283247.5Critical
CVE-2021-283265.5High
CVE-2021-284458.1Critical
CVE-2021-283468.8Critical
CVE-2021-283278.8Critical
CVE-2021-283538.8Critical
CVE-2021-264157.8Critical
CVE-2021-284435.5High
CVE-2021-284426.5High
CVE-2021-283487.8Critical
CVE-2021-283548.8Critical
CVE-2021-283438.8Critical

KB list:

5001347
5001330
5001337
5001383
5001387
5001393
5001342
5001382
5001339
5001340

Microsoft official advisories:

References

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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

Low

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.048 Low

EPSS

Percentile

92.6%

JSON
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