CVE-2020-1466

Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability

Description

A denial of service vulnerability exists in Windows Remote Desktop Gateway (RD Gateway) when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the RD Gateway service on the target system to stop responding. To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides RD Gateway services. The update addresses the vulnerability by correcting how RD Gateway handles connection requests.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 8.38% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Windows Server 2019

Affected: Microsoft Windows Server 2019 (Server Core installation)

Affected: Microsoft Windows Server 2016

Affected: Microsoft Windows Server 2016 (Server Core installation)

Affected: Microsoft Windows Server 2012

Affected: Microsoft Windows Server 2012 (Server Core installation)

Affected: Microsoft Windows Server 2012 R2

Affected: Microsoft Windows Server 2012 R2 (Server Core installation)

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1466	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1466?: CVE-2020-1466 has been scored as a high severity vulnerability.
How to fix CVE-2020-1466?: To fix CVE-2020-1466, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1466 being actively exploited in the wild?: It is possible that CVE-2020-1466 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1466?: CVE-2020-1466 affects Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation).