QID 91767

Date Published: 2021-05-12

QID 91767: Microsoft Windows HTTP Protocol Stack Remote Code Execution Vulnerability - May 2021

Microsoft Windows HTTP Protocol Stack is prone to Remote Code Execution Vulnerability.

Affected Operating Systems:
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems

QID Detection Logic (authenticated):
The QID checks for the version of file http.sys.

In most situations, an unauthenticated attacker can send a specially crafted packet to a targeted server utilizing the HTTP Protocol Stack (http.sys) to process packets leading to remote code execution.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Please refer to the KB5003173 for more information pertaining to these vulnerabilities.

Vendor References

KB5003173 - support.microsoft.com/help/5003173

CVEs related to QID 91767

CVE-2021-31166 |

Software Advisories

Advisory ID	Software	Component	Link
KB5003173			catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5003173

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].