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kasperskyKaspersky LabKLA11420
HistoryFeb 12, 2019 - 12:00 a.m.

KLA11420 Multiple vulnerabilities in Microsoft Exchange Server

2019-02-1200:00:00
Kaspersky Lab
threats.kaspersky.com
136

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

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

0.076 Low

EPSS

Percentile

94.1%

Detect date:

02/12/2019

Severity:

High

Description:

Multiple elevation of privilege vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to gain privileges.

Affected products:

Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 26
Microsoft Exchange Server 2016 Cumulative Update 12
Microsoft Exchange Server 2013 Cumulative Update 22
Microsoft Exchange Server 2019 Cumulative Update 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-2019-0724
CVE-2019-0686
ADV190004

Impacts:

PE

Related products:

Microsoft Exchange Server

CVE-IDS:

CVE-2019-07249.3Critical
CVE-2019-06865.8High

KB list:

4471391
4471392
4487052
4345836

Microsoft official advisories:

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

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

0.076 Low

EPSS

Percentile

94.1%