Lucene search

Kaspersky 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

139

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

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

8.4 High

AI Score

Confidence

High

0.075 Low

EPSS

Percentile

94.2%

JSON

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

Original advisories

CVE-2019-0724

CVE-2019-0686

ADV190004

Related products

Microsoft-Exchange-Server

CVE list

CVE-2019-0724 critical

CVE-2019-0686 high

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

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 26Microsoft Exchange Server 2016 Cumulative Update 12Microsoft Exchange Server 2013 Cumulative Update 22Microsoft Exchange Server 2019 Cumulative Update 1