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mscveMicrosoftMS:CVE-2019-1373
HistoryNov 12, 2019 - 8:00 a.m.

Microsoft Exchange Remote Code Execution Vulnerability

2019-11-1208:00:00
Microsoft
msrc.microsoft.com
27

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

0.045 Low

EPSS

Percentile

92.5%

A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the logged in user.

Exploitation of this vulnerability requires that a user run cmdlets via PowerShell.

The security update addresses the vulnerability by correcting how Exchange serializes its metadata.

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

0.045 Low

EPSS

Percentile

92.5%