CVE-2022-21893
published 2022-01-11CVE-2022-21893: Remote Desktop Protocol Remote Code Execution Vulnerability
PriorityP350high8CVSS 3.1
AVNACLPRLUIRSUCHIHAH
EPSS
6.79%
93.3th percentile
Remote Desktop Protocol Remote Code Execution Vulnerability
Affected
44 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.19177 | 10.0.10240.19177 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.4886 | 10.0.14393.4886 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2452 | 10.0.17763.2452 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.2452 | 10.0.17763.2452 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.2037 | 10.0.18363.2037 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1466 | 10.0.19042.1466 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1466 | 10.0.19043.1466 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.1466 | 10.0.19044.1466 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.434 | 10.0.22000.434 |
| microsoft | windows_7 | >= 6.1.0 < 6.1.7601.25829 | 6.1.7601.25829 |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < 6.1.7601.25829 | 6.1.7601.25829 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20246 | 6.3.9600.20246 |
| microsoft | windows_server | — | — |
| microsoft | windows_server | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.25829 | 6.1.7601.25829 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.23584 | 6.2.9200.23584 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.20246 | 6.3.9600.20246 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.4886 | 10.0.14393.4886 |
CVSS provenance
nvdv3.18.0HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
nvdv2.08.5HIGHAV:N/AC:M/Au:S/C:C/I:C/A:C
vendor_msrc8.0HIGH
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GHSA
GHSA-m75r-79xc-jw3w: Remote Desktop Protocol Remote Code Execution Vulnerability
ghsa_unreviewed·2022-01-12
CVE-2022-21893 [HIGH] GHSA-m75r-79xc-jw3w: Remote Desktop Protocol Remote Code Execution Vulnerability
Remote Desktop Protocol Remote Code Execution Vulnerability.
Microsoft
Remote Desktop Protocol Remote Code Execution Vulnerability
vendor_msrc·2022-01-11·CVSS 8.0
CVE-2022-21893 [HIGH] Remote Desktop Protocol Remote Code Execution Vulnerability
Remote Desktop Protocol Remote Code Execution Vulnerability
FAQ: How would an attacker exploit this vulnerability?
An attacker would have to convince a targeted user to connect to a malicious RDP server. Upon connecting, the malicious server could read or tamper with clipboard contents and the victim's filesystem contents.
Windows RDP: Windows RDP
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5009557
Reference: https://support.microsoft.com/help/5009557
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB500954
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s January 2022 Patch Tuesday Addresses 97 CVEs (CVE-2022-21907)
blogs_tenable·2022-01-11·CVSS 9.8
[CRITICAL] Microsoft’s January 2022 Patch Tuesday Addresses 97 CVEs (CVE-2022-21907)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
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## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
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## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Crowdstrike
January 2022 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] January 2022 Patch Tuesday: Updates and Analysis
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Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
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Helping Non-Security Stakeholders Understand ATT&CK in 10 Minutes or Less [VI
Threat Intel
UNC5330
threat_intel·CVSS 9.1
CVE-2024-21893 [CRITICAL] UNC5330
# Threat Actor: UNC5330
## Description
UNC5330 is a suspected China-nexus espionage actor. UNC5330 has been observed chaining CVE-2024-21893 and CVE-2024-21887 to compromise Ivanti Connect Secure VPN appliances as early as Feb. 2024. Post-compromise activity by UNC5330 includes deployment of PHANTOMNET and TONERJAM. UNC5330 has employed Windows Management Instrumentation (WMI) to perform reconnaissance, move laterally, manipulate registry entries, and establish persistence.
Mandiant observed UNC5330 operating a server since Dec. 6, 2021, which the group used as a GOST proxy to help facilitate malicious tool deployment to endpoints. The default certificate for GOST proxy was observed from Sept. 1, 2022 through Jan. 1, 2024. UNC5330 also attempted to download Fast Reverse Proxy (FRP) from t
2022-01-11
Published