CVE-2020-16927

HIGH

Windows RDP - Denial of Service via Specially Crafted Requests

Title source: llm
STIX 2.1

Description

<p>A denial of service vulnerability exists in Remote Desktop Protocol (RDP) 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 RDP service on the target system to stop responding.</p> <p>To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides Remote Desktop Protocol (RDP) services.</p> <p>The update addresses the vulnerability by correcting how RDP handles connection requests.</p>

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0592
EPSS Percentile 92.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Products (37)
Microsoft/Windows 10 Version 1507 10.0.0 - publication
Microsoft/Windows 10 Version 1607 10.0.0 - publication
Microsoft/Windows 10 Version 1709 10.0.0 - publication
Microsoft/Windows 10 Version 1709 for 32-bit Systems 10.0.0 - publication
Microsoft/Windows 10 Version 1803 10.0.0 - publication
Microsoft/Windows 10 Version 1809 10.0.0 - publication
Microsoft/Windows 10 Version 1903 for 32-bit Systems 10.0.0 - publication
Microsoft/Windows 10 Version 1903 for ARM64-based Systems 10.0.0 - publication
Microsoft/Windows 10 Version 1903 for x64-based Systems 10.0.0 - publication
Microsoft/Windows 10 Version 1909 10.0.0 - publication
... and 27 more
Published Oct 16, 2020
Tracked Since Feb 18, 2026