Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-34455— Windows File History Service Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows File History Service是美国微软（Microsoft）公司的一项服务。用于替换备份和还原文件或文件夹的以前版本。 microsoft Windows File History Service存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for ARM64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core inst

CVSS 7.8 · High EPSS 0.53% · P42

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 19

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.19003 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.4530 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.2061 affected
10.0.0< 10.0.17763.2061 affected
Microsoft Windows 10 Version 1909 10.0.0< 10.0.18363.1679 affected
Microsoft Windows 10 Version 2004 10.0.0< 10.0.19041.1110 affected
Microsoft Windows 10 Version 20H2 10.0.0< 10.0.19042.1110 affected
Microsoft Windows 10 Version 21H1 10.0.0< 10.0.19043.1110 affected
Microsoft Windows 8.1 6.3.0< 6.3.9600.20069 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.23409 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.23409 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.20069 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.20069 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.4530 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.4530 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.2061 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.2061 affected
Microsoft Windows Server version 2004 10.0.0< 10.0.19041.1110 affected
Microsoft Windows Server version 20H2 10.0.0< 10.0.19042.1110 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-34455

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Windows File History Service Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows File History Service Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows File History Service 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows File History Service是美国微软（Microsoft）公司的一项服务。用于替换备份和还原文件或文件夹的以前版本。 microsoft Windows File History Service存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for ARM64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core inst
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

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.19003 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.4530 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.2061 -
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.2061 -
Microsoft Windows 10 Version 1909 10.0.0 ~ 10.0.18363.1679 -
Microsoft Windows 10 Version 2004 10.0.0 ~ 10.0.19041.1110 -
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.1110 -
Microsoft Windows 10 Version 21H1 10.0.0 ~ 10.0.19043.1110 -
Microsoft Windows 8.1 6.3.0 ~ 6.3.9600.20069 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.23409 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.23409 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.20069 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.20069 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.4530 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.4530 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.2061 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.2061 -
Microsoft Windows Server version 2004 10.0.0 ~ 10.0.19041.1110 -
Microsoft Windows Server version 20H2 10.0.0 ~ 10.0.19042.1110 -

II. Public POCs for CVE-2021-34455

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-34455

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-34455 (2)

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

CVE-2021-34458 9.9 CRITICAL Windows Kernel Remote Code Execution Vulnerability
CVE-2021-34481 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34442 8.8 HIGH Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-34450 8.5 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-34446 8.0 HIGH Windows HTML Platforms Security Feature Bypass Vulnerability
CVE-2021-34464 7.8 HIGH Microsoft Defender Remote Code Execution Vulnerability
CVE-2021-34438 7.8 HIGH Windows Font Driver Host Remote Code Execution Vulnerability
CVE-2021-34439 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-34461 7.8 HIGH Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
CVE-2021-34460 7.8 HIGH Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-34459 7.8 HIGH Windows AppContainer Elevation Of Privilege Vulnerability
CVE-2021-34456 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-34441 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-34452 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-34445 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-34467 7.1 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-34449 7.0 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2021-34462 7.0 HIGH Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
CVE-2021-34448 6.8 MEDIUM Scripting Engine Memory Corruption Vulnerability
CVE-2021-34447 6.8 MEDIUM Windows 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 1507
Same vendor: Microsoft

V. Comments for CVE-2021-34455

No comments yet

Leave a comment