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Microsoft Exchange Server Zero-day Privilege Escalation Vulnerability

Last Update Date: 30 Jan 2019 Release Date: 28 Jan 2019 5946 Views

RISK: High Risk

TYPE: Servers - Other Servers

TYPE: Other Servers

A new zero-day vulnerability was discovered in Microsoft Exchange Server. A mailbox user could exploit this vulnerability to elevate account privilege to gain the Windows Domain Admin access right.

 

Notes:The exploit code is publicly available.


Impact

  • Elevation of Privilege

System / Technologies affected

This zero-day flaw have been tested in below version:

  • Microsoft Exchange Server 2013, 2016 and 2019

Solutions

Notes: No patch is currently available.

 

Please refer to the link below for possible mitigation plan:

https://dirkjanm.io/abusing-exchange-one-api-call-away-from-domain-admin/

 

Before applying any mitigation steps, please consult your product support and software manufacturer for more details.


Vulnerability Identifier

  • No CVE information is available

Related Link