CVE-2020-16863

Windows Remote Desktop Service Denial of Service Vulnerability

Description

A denial of service vulnerability exists in Windows Remote Desktop Service 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 Remote Desktop 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 Remote Desktop Service. The update addresses the vulnerability by correcting how Remote Desktop Service handles connection requests.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 16.52% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Windows 7

Affected: Microsoft Windows 7 Service Pack 1

Affected: Microsoft Windows Server 2008 R2 Service Pack 1

Affected: Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16863	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-16863?: CVE-2020-16863 has been scored as a high severity vulnerability.
How to fix CVE-2020-16863?: To fix CVE-2020-16863, 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-2020-16863 being actively exploited in the wild?: It is possible that CVE-2020-16863 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-16863?: CVE-2020-16863 affects Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation).

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.