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Kaspersky LabKLA11606

HistoryNov 12, 2019 - 12:00 a.m.

KLA11606 ACE vulnerability in Microsoft Exchange Server

2019-11-1200:00:00

Kaspersky Lab

threats.kaspersky.com

125

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

9.8 High

AI Score

Confidence

High

0.045 Low

EPSS

Percentile

92.5%

JSON

Unspecified vulnerability was found in Exchange Server. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

CVE-2019-1373

Related products

Microsoft-Exchange-Server

CVE list

CVE-2019-1373 critical

KB list

4523171

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)

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Affected Products

Microsoft Exchange Server 2016 Cumulative Update 14Microsoft Exchange Server 2019 Cumulative Update 3Microsoft Exchange Server 2019 Cumulative Update 2Microsoft Exchange Server 2013 Cumulative Update 23Microsoft Exchange Server 2016 Cumulative Update 13