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kasperskyKaspersky LabKLA11693
HistoryMar 12, 2020 - 12:00 a.m.

KLA11693 ACE vulnerability in Microsoft Windows

2020-03-1200:00:00
Kaspersky Lab
threats.kaspersky.com
621

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 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

0.975 High

EPSS

Percentile

100.0%

Detect date:

03/12/2020

Severity:

Critical

Description:

A remote code execution vulnerability in Windows SMBv3 Client/Server can be exploited remotely via specially crafted packet to execute arbitrary code.

Exploitation:

This vulnerability can be exploited by the following malware:

Affected products:

Windows 10 Version 1909 for 32-bit Systems
Windows Server, version 1903 (Server Core installation)
Windows 10 Version 1903 for 32-bit Systems
Windows Server, version 1909 (Server Core installation)
Windows 10 Version 1903 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 1903 for x64-based Systems
Windows 10 Version 1909 for ARM64-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-2020-0796

Impacts:

ACE

Related products:

Microsoft Windows

KB list:

4551762

Microsoft official advisories:

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 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

0.975 High

EPSS

Percentile

100.0%