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mscveMicrosoftMS:CVE-2018-8654
HistoryFeb 13, 2019 - 8:00 a.m.

Microsoft Dynamics 365 Elevation of Privilege Vulnerability

2019-02-1308:00:00
Microsoft
msrc.microsoft.com
10

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

28.0%

An elevation of privilege vulnerability exists in Microsoft Dynamics 365 Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Dynamics server.

To exploit the vulnerability, an authenticated attacker would need to send a specially crafted request to an affected server, thereby allowing impersonation of another Dynamics CRM user.

The security update addresses the vulnerability by correcting how Microsoft Dynamics 365 Server validates and sanitizes user input.

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

28.0%