Microsoft Remote Desktop Services Remote Code Execution Vulnerability

Exploited · KEV 2021-11-03RansomwareMetasploit moduleCVE-2019-0708CWE-416

Exploited since 2021-11-03. No WAF vendor names it yet.

Edge rules

0/8

Our test

No exploit yet

CVSS

9.8

EPSS

100.0% Top 0.1%

Posts, 14d

Published

2019-05-16

A remote code execution vulnerability exists in Remote Desktop Services formerly known as Terminal Services when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests, aka 'Remote Desktop… More

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feed AWSBefore feed historyOlder than its feed Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feed FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Ask about CVE-2019-0708: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

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Severity, decoded

CVSS 3.1

9.8Critical

Critical · 9.8 / 10

Exploitable over the network, with no privileges and no user interaction, leading to full loss of confidentiality, integrity and availability.

Over the internetNo login neededNo user actionWorks reliablyFull compromise

How the score is built8 metrics

Attack vectorAn attacker can reach it over the internet; no access to your network needed.
Network
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredNo account or login is needed.
None
User interactionNo one has to click or open anything; the attack works on its own.
None
ScopeThe damage stays within the vulnerable component.
Unchanged
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactAn attacker can change any data or files the affected component protects.
High
Availability impactAn attacker can take the component down completely or keep it from serving anyone.
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableYes

Attackers can script the attack end to end and hit many targets at once.

Technical impactTotal

A successful attack gives full control over the affected software or all of its data.

Public exploits

6 found

2 Metasploit4 Exploit-DB0 Scanner template0 GitHub PoCs

MetasploitCVE-2019-0708 BlueKeep Microsoft Remote Desktop RCE Check2019-05-14 · auxiliary · rank Normal · has check
MetasploitCVE-2019-0708 BlueKeep RDP Remote Windows Kernel Use After Free2019-05-14 · exploit · rank Manual · has check
Exploit-DBMicrosoft Windows 7 (x86) - 'BlueKeep' Remote Desktop Protocol (RDP) Remote Windows Kernel Use After Free2019-11-19 · remote · windows_x86
Exploit-DBMicrosoft Windows - BlueKeep RDP Remote Windows Kernel Use After Free (Metasploit)2019-09-24 · remote · windows · verified
Exploit-DBMicrosoft Windows Remote Desktop - 'BlueKeep' Denial of Service (Metasploit)2019-07-15 · dos · windows
Exploit-DBMicrosoft Windows Remote Desktop - 'BlueKeep' Denial of Service2019-05-30 · dos · windows

Links are to third-party code: never run it outside an isolated lab.

Timeline

2019-05-14
Metasploit module published
CVE-2019-0708 BlueKeep Microsoft Remote Desktop RCE Check
2019-05-16
CVE published
CVE List
2019-05-30
Exploit published on Exploit-DB
Microsoft Windows Remote Desktop - 'BlueKeep' Denial of Service
2021-11-03
Added to CISA KEV
Confirmed exploitation in the wild