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Kaspersky LabKLA11853

HistoryDec 06, 2017 - 12:00 a.m.

KLA11853 ACE vulnerability in Microsoft Exchange Server

2017-12-0600:00:00

Kaspersky Lab

threats.kaspersky.com

9.3 High

CVSS2

Attack Vector

NETWORK

Attack 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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.147 Low

EPSS

Percentile

95.8%

JSON

A remote code execution vulnerability was found in Microsoft Exchange Server. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

CVE-2017-11937

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Exchange-Server

CVE list

CVE-2017-11937 critical

KB list

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.