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CVE-2021-34481— Windows Print Spooler Remote Code Execution Vulnerability

CVSS 8.8 · High EPSS 22.00% · P96
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I. Basic Information for CVE-2021-34481

Vulnerability Information
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Vulnerability Title
Windows Print Spooler Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
<p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p><strong>UPDATE</strong> August 10, 2021: Microsoft has completed the investigation and has released security updates to address this vulnerability. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. This security update changes the Point and Print default behavior; please see <a href="https://support.microsoft.com/help/5005652">KB5005652</a>.</p>
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Print Spooler Components 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Print Spooler Components是美国微软（Microsoft）公司的一个打印后台处理程序组件。 microsoft Windows Print Spooler Components存在缓冲区错误漏洞。以下产品和版本受到影响：Windows Versions Under Investigation
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1809 10.0.0 ~ 10.0.17763.2114 cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2114:*:*:*:*:*:x86:*
MicrosoftWindows Server 2019 10.0.0 ~ 10.0.17763.2114 cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*
MicrosoftWindows Server 2019 (Server Core installation) 10.0.0 ~ 10.0.17763.2114 cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*
MicrosoftWindows 10 Version 1909 10.0.0 ~ 10.0.18363.1734 cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1734:*:*:*:*:*:x86:*
MicrosoftWindows 10 Version 21H1 10.0.0 ~ 10.0.19043.1165 cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1165:*:*:*:*:*:x64:*
MicrosoftWindows 10 Version 2004 10.0.0 ~ 10.0.19041.1165 cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1165:*:*:*:*:*:x64:*
MicrosoftWindows Server version 2004 10.0.0 ~ 10.0.19041.1165 cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1165:*:*:*:*:*:*:*
MicrosoftWindows 10 Version 20H2 10.0.0 ~ 10.0.19042.1165 cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1165:*:*:*:*:*:x86:*
MicrosoftWindows Server version 20H2 10.0.0 ~ 10.0.19042.1165 cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1165:*:*:*:*:*:*:*
MicrosoftWindows 10 Version 1507 10.0.0 ~ 10.0.10240.19022 cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19022:*:*:*:*:*:x86:*
MicrosoftWindows 10 Version 1607 10.0.0 ~ 10.0.14393.4583 cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4583:*:*:*:*:*:x86:*
MicrosoftWindows Server 2016 10.0.0 ~ 10.0.14393.4583 cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4583:*:*:*:*:*:*:*
MicrosoftWindows Server 2016 (Server Core installation) 10.0.0 ~ 10.0.14393.4583 cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4583:*:*:*:*:*:*:*
MicrosoftWindows 7 6.1.0 ~ 6.1.7601.25685 cpe:2.3:o:microsoft:windows_7:6.1.7601.25685:sp1:*:*:*:*:x86:*
MicrosoftWindows 7 Service Pack 1 6.1.0 ~ 6.1.7601.25685 cpe:2.3:o:microsoft:windows_7:6.1.7601.25685:sp1:*:*:*:*:x64:*
MicrosoftWindows 8.1 6.3.0 ~ 6.3.9600.20094 cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20094:*:*:*:*:*:x86:*
MicrosoftWindows Server 2008 Service Pack 2 6.0.0 ~ 6.0.6003.21192 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x64:*
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation) 6.0.0 ~ 6.0.6003.21192 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x64:*
MicrosoftWindows Server 2008 Service Pack 2 6.0.0 ~ 6.0.6003.21192 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x86:*
MicrosoftWindows Server 2008 R2 Service Pack 1 6.1.0 ~ 6.1.7601.25685 cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25685:*:*:*:*:*:x64:*
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 ~ 6.1.7601.25685 cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25685:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 6.2.0 ~ 6.2.9200.23435 cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23435:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 (Server Core installation) 6.2.0 ~ 6.2.9200.23435 cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23435:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 R2 6.3.0 ~ 6.3.9600.20094 cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20094:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.0 ~ 6.3.9600.20094 cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20094:*:*:*:*:*:x64:*

II. Public POCs for CVE-2021-34481

#POC DescriptionSource LinkShenlong Link
1Check patch for CVE-2021-34481https://github.com/vpn28/CVE-2021-34481POC Details
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III. Intelligence Information for CVE-2021-34481

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Same Patch Batch · Microsoft · 2021-07-16 · 27 CVEs total

CVE-2021-344589.9 CRITICALWindows Kernel Remote Code Execution Vulnerability
CVE-2021-344428.8 HIGHWindows DNS Server Remote Code Execution Vulnerability
CVE-2021-344508.5 HIGHWindows Hyper-V Remote Code Execution Vulnerability
CVE-2021-344468.0 HIGHWindows HTML Platforms Security Feature Bypass Vulnerability
CVE-2021-344647.8 HIGHMicrosoft Defender Remote Code Execution Vulnerability
CVE-2021-344387.8 HIGHWindows Font Driver Host Remote Code Execution Vulnerability
CVE-2021-344397.8 HIGHMicrosoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-344417.8 HIGHMicrosoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-344457.8 HIGHWindows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-344527.8 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2021-344557.8 HIGHWindows File History Service Elevation of Privilege Vulnerability
CVE-2021-344567.8 HIGHWindows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-344597.8 HIGHWindows AppContainer Elevation Of Privilege Vulnerability
CVE-2021-344607.8 HIGHStorage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-344617.8 HIGHWindows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
CVE-2021-344677.1 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-344497.0 HIGHWin32k Elevation of Privilege Vulnerability
CVE-2021-344627.0 HIGHWindows AppX Deployment Extensions Elevation of Privilege Vulnerability
CVE-2021-344486.8 MEDIUMScripting Engine Memory Corruption Vulnerability
CVE-2021-344476.8 MEDIUMWindows MSHTML Platform Remote Code Execution Vulnerability

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft

V. Comments for CVE-2021-34481

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