Intrusion PreventionMS.Exchange.Server.NewExchangeCertificate.Arbitrary.File.Write
Description
This indicates an attack attempt to exploit an Arbitrary File Write Vulnerability in Microsoft Exchange Server.
The vulnerability is due to improper validation of Filename argument in New-ExchangeCertificate cmdlet. A remote, authenticated attacker can exploit this vulnerability by running the cmdlet with crafted arguments against a vulnerable Exchange server. Successful exploitation could result in denial-of-service conditions and in worst case execution of arbitrary codes as SYSTEM.
Affected Products
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 17
Microsoft Exchange Server 2016 Cumulative Update 18
Microsoft Exchange Server 2019 Cumulative Update 6
Microsoft Exchange Server 2019 Cumulative Update 7
Impact
System Compromise: Remote attackers can gain control of vulnerable systems.
Recommended Actions
Apply the most recent upgrade or patch from the vendor.
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17085
Telemetry
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
| ID | 49739 |
| Created | Jan 07, 2021 |
| Updated | Mar 31, 2021 |
| Risk |
|
| CVE ID | CVE-2020-17085 |
| Exploit Prediction Score | 0.14% |
| Default Action | drop |
| Active | |
| Affected OS | Windows |
| Affected App | MS_Exchange |