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Fencer Intel
critical 9.8

CVE-2020-0609 in the critical feed json

A remote code execution vulnerability exists in Windows Remote Desktop Gateway (RD Gateway) when an unauthenticated attacker connects to th…

published 6y ago modified 4mo ago also EUVD-2020-2104

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
77.7%
EPSS 77.7% chance of exploitation in 30 days, percentile 99.5%
public exploits
2
Exploit-DB

Summary

A remote code execution vulnerability exists in Windows Remote Desktop Gateway (RD Gateway) when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests, aka 'Windows Remote Desktop Gateway (RD Gateway) Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0610.

Patch / fix

Is CVE-2020-0609 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. Published
  2. First public exploit (EDB-47964)

Ransomware

Groups reported to have exploited it in intrusions.

  • Conti ransomware gang

reported by tenable.com

Ransomware Vulnerability Matrix by BushidoUK (github.com/BushidoUK/Ransomware-Vulnerability-Matrix), reformatted per CVE. CC BY 4.0

Exploit prediction

77.68% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-47964 Remote Desktop Gateway - 'BlueGate' Denial of Service (PoC) dos, 2020-01-23
  • EDB-47963 Remote Desktop Gateway - 'BlueGate' Denial of Service (PoC) dos, 2020-01-23

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Windows Server

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.