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kasperskyKaspersky LabKLA12041
HistoryJan 12, 2021 - 12:00 a.m.

KLA12041 Multiple vulnerabilities in Microsoft Products (ESU)

2021-01-1200:00:00
Kaspersky Lab
threats.kaspersky.com
18

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

8.9 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.079 Low

EPSS

Percentile

94.2%

Detect date:

01/12/2021

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft Products (Extended Support Update). Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, bypass security restrictions, cause denial of service.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Windows 10 Version 1909 for ARM64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows 10 Version 1809 for x64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1803 for 32-bit Systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1909 for 32-bit Systems
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2019
Windows RT 8.1
Windows 10 Version 2004 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows Server 2016
Windows 10 Version 1809 for 32-bit Systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2 (Server Core installation)
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows Server 2016 (Server Core installation)
Windows Server 2012 R2
Windows 10 Version 1607 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2012 (Server Core installation)
Windows 10 for x64-based Systems
Windows Server 2019 (Server Core installation)
Windows 8.1 for 32-bit systems
Windows 10 Version 1909 for x64-based Systems

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-2021-1658
CVE-2021-1708
CVE-2021-1704
CVE-2021-1653
CVE-2021-1659
CVE-2021-1666
CVE-2021-1673
CVE-2021-1694
CVE-2021-1671
CVE-2021-1702
CVE-2021-1667
CVE-2021-1696
CVE-2021-1701
CVE-2021-1668
CVE-2021-1657
CVE-2021-1706
CVE-2021-1660
CVE-2021-1678
CVE-2021-1656
CVE-2021-1654
CVE-2021-1693
CVE-2021-1649
CVE-2021-1652
CVE-2021-1664
CVE-2021-1695
CVE-2021-1674
CVE-2021-1679
CVE-2021-1661
CVE-2021-1709
CVE-2021-1700
CVE-2021-1699
CVE-2021-1655
CVE-2021-1676
CVE-2021-1665
CVE-2021-1688

Impacts:

ACE

Related products:

Microsoft Windows

CVE-IDS:

CVE-2021-16588.8Critical
CVE-2021-17085.7High
CVE-2021-17047.3High
CVE-2021-16537.8Critical
CVE-2021-16597.8Critical
CVE-2021-16668.8Critical
CVE-2021-16738.8Critical
CVE-2021-16947.5Critical
CVE-2021-16718.8Critical
CVE-2021-17027.8Critical
CVE-2021-16678.8Critical
CVE-2021-16965.5High
CVE-2021-17018.8Critical
CVE-2021-16687.8Critical
CVE-2021-16577.8Critical
CVE-2021-17067.3High
CVE-2021-16608.8Critical
CVE-2021-16788.8Critical
CVE-2021-16565.5High
CVE-2021-16547.8Critical
CVE-2021-16937.8Critical
CVE-2021-16497.8Critical
CVE-2021-16527.8Critical
CVE-2021-16648.8Critical
CVE-2021-16957.8Critical
CVE-2021-16748.8Critical
CVE-2021-16796.5High
CVE-2021-16617.8Critical
CVE-2021-17097.0High
CVE-2021-17008.8Critical
CVE-2021-16995.5High
CVE-2021-16557.8Critical
CVE-2021-16765.5High
CVE-2021-16657.8Critical
CVE-2021-16887.8Critical

KB list:

4598288
4598279
4598287
4598289
5005633
5005606
5005615
5005618

Microsoft official advisories:

References

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

8.9 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.079 Low

EPSS

Percentile

94.2%