CVE-2018-0940 Information

Description

Microsoft Exchange Outlook Web Access (OWA) in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20 Microsoft Exchange Server 2013 Cumulative Update 18 Microsoft Exchange Server 2013 Cumulative Update 19 Microsoft Exchange Server 2013 Service Pack 1 Microsoft Exchange Server 2016 Cumulative Update 7 and Microsoft Exchange Server 2016 Cumulative Update 8 allows an elevation of privilege vulnerability due to how links in the body of an email message are rewritten aka \Microsoft Exchange Elevation of Privilege Vulnerability.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/103323 http://www.securitytracker.com/id/1040521 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0940

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5