Attacker Value
Unknown
2
CVE-2021-38666
2
CVE ID
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CVE-2021-38666
(Last updated January 18, 2024) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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Description
Remote Desktop Client Remote Code Execution Vulnerability
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1
Ratings
-
ExploitabilityVery High
Technical Analysis
Remote Desktop Client Remote Code Execution Vulnerability
Source: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38666
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Data provided by the National Vulnerability Database (NVD)
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Windows 10 Version 1809 10.0.17763.2300
Windows Server 2019 10.0.17763.2300
Windows Server 2019 (Server Core installation) 10.0.17763.2300
Windows 10 Version 1909 10.0.18363.1916
Remote Desktop client for Windows Desktop N/A
Windows 10 Version 21H1 10.0.19043.1348
Windows Server 2022 10.0.20348.350
Windows 10 Version 2004 10.0.19041.1348
Windows Server version 2004 10.0.19041.1348
Windows 10 Version 20H2 10.0.19042.1348
Windows Server version 20H2 10.0.19041.1348
Windows 11 version 21H2 10.0.22000.318
Windows 10 Version 1507 10.0.10240.19119
Windows 10 Version 1607 10.0.14393.4770
Windows Server 2016 10.0.14393.4770
Windows Server 2016 (Server Core installation) 10.0.14393.4770
Windows 7 6.1.7601.25769
Windows 7 Service Pack 1 6.1.7601.25769
Windows 8.1 6.3.9600.20174
Windows Server 2008 Service Pack 2 6.0.6003.21282
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.21282
Windows Server 2008 Service Pack 2 6.0.6003.21282
Windows Server 2008 R2 Service Pack 1 6.1.7601.25769
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.25769
Windows Server 2012 6.2.9200.23517
Windows Server 2012 (Server Core installation) 6.2.9200.23517
Windows Server 2012 R2 6.3.9600.20174
Windows Server 2012 R2 (Server Core installation) 6.3.9600.20174
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- microsoft
Products
- windows 10 -,
- windows 10 1607,
- windows 10 1809,
- windows 10 1909,
- windows 10 2004,
- windows 10 20h2,
- windows 10 21h1,
- windows 11 -,
- windows 7 -,
- windows 8.1 -,
- windows rt 8.1 -,
- windows server 2008 -,
- windows server 2008 r2,
- windows server 2012 -,
- windows server 2012 r2,
- windows server 2016 -,
- windows server 2016 2004,
- windows server 2016 20h2,
- windows server 2019 -,
- windows server 2022 -
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Exploited in the Wild
CVE ID
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