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kasperskyKaspersky LabKLA12075
HistoryFeb 09, 2021 - 12:00 a.m.

KLA12075 Multiple vulnerabilities in Microsoft Products (ESU)

2021-02-0900:00:00
Kaspersky Lab
threats.kaspersky.com
25

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.051 Low

EPSS

Percentile

92.8%

JSON

Detect date:

02/09/2021

Severity:

Critical

Description:

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

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2008 for x64-based Systems Service Pack 2
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 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012 R2 (Server Core installation)
Windows Server 2012 R2
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2012 (Server Core installation)

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-2021-24080
CVE-2021-24103
CVE-2021-1734
CVE-2021-25195
CVE-2021-24086
CVE-2021-1727
CVE-2021-24102
CVE-2021-24094
CVE-2021-24078
CVE-2021-24083
CVE-2021-1722
CVE-2021-24074
CVE-2021-24088
CVE-2021-24077
CVE-2021-24076
CVE-2020-17162
CVE-2021-24079

Impacts:

ACE

Related products:

Microsoft Windows

CVE-IDS:

CVE-2021-240806.5High
CVE-2021-241037.8Critical
CVE-2021-17347.5Critical
CVE-2021-251957.8Critical
CVE-2021-240867.5Critical
CVE-2021-17277.8Critical
CVE-2021-241027.8Critical
CVE-2021-240949.8Critical
CVE-2021-240765.5High
CVE-2021-240789.8Critical
CVE-2021-240837.8Critical
CVE-2021-240795.5High
CVE-2021-17228.1Critical
CVE-2021-240749.8Critical
CVE-2021-240888.8Critical
CVE-2021-240779.8Critical
CVE-2020-171628.8Critical

KB list:

4577048
4577066
4577071
4577038
4601347
4601363
4601357
4601348
4601384
4601349
4601360
4601366

Microsoft official advisories:

References

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February 9, 2021—KB4601357 (Security-only update)
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Information disclosure
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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.051 Low

EPSS

Percentile

92.8%

JSON
Related for KLA12075
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