PT-2020-3678 · Microsoft · Windows Remote Desktop Gateway+1

Published 2020-08-11 · Updated 2026-02-23 · CVE-2020-1466

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Remote Desktop Gateway (RD Gateway) (affected versions not specified)

Description A denial of service issue exists when an attacker connects to the target system using RDP and sends specially crafted requests, potentially causing the RD Gateway service to stop responding. To exploit this, an attacker would need to run a specially crafted application against a server providing RD Gateway services. The issue arises from insufficient input validation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-04026

CVE-2020-1466

Affected Products

Windows

Windows Remote Desktop Gateway

References · 9

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1466 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1466 · Security Note
• https://bdu.fstec.ru/vul/2020-04026 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1466 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1466 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1466 · Security Note
• https://t.me/cveNotify/152908 · Telegram Post
• https://t.me/cvenotify/67950 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2020081225 · Note