CVE-2022-21907
HTTP Protocol Stack Remote Code Execution Vulnerability
- Published
- Jan 11, 2022
- Updated
- Jan 2, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Jul 7, 2023
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
HTTP Protocol Stack Remote Code Execution Vulnerability
Sources
17- CVE-2022-21907Exploit
Proof-of-concept exploit for CVE-2022-21907, a remote code execution vulnerability in the HTTP protocol stack (IIS). Includes a Python script and Nmap script for detection and exploitation.
- cve-2022-21907Detection
Zeek package to detect CVE-2022-21907 HTTP exploit attempts by analyzing packet captures for malformed requests and triggering alerts.
- nmap-CVE-2022-21907Scanner
Repository containing nse script for vulnerability CVE-2022-21907. It is a component (IIS) vulnerability on Windows. It allows remote code execution. The vulnerability affects the kernel module http. sys, which handles most basic IIS operations.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.