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kasperskyKaspersky LabKLA12419
HistoryJan 11, 2022 - 12:00 a.m.

KLA12419 Multiple vulnerabilities in Microsoft Exchange Server

2022-01-1100:00:00
Kaspersky Lab
threats.kaspersky.com
52

9 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

8.3 High

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

56.7%

Detect date:

01/11/2022

Severity:

Warning

Description:

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit this vulnerability to execute arbitrary code.

Affected products:

Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 21
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2019 Cumulative Update 10
Microsoft Exchange Server 2019 Cumulative Update 11

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-2022-21855
CVE-2022-21846
CVE-2022-21969

Impacts:

ACE

Related products:

Microsoft Exchange Server

CVE-IDS:

CVE-2022-218559.0Critical
CVE-2022-218469.0Critical
CVE-2022-219699.0Critical

KB list:

5008631

Microsoft official advisories:

9 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

8.3 High

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

56.7%