CVE record
CVE-2021-31166
Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability
Microsoft HTTP Protocol Stack contains a vulnerability in http.sys that allows for remote code execution.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
unknown
No parseable CVSS vector returned
Affected packages
0
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Microsoft
- Product
- HTTP Protocol Stack
- Date added
- Apr 6, 2022
- CISA federal remediation due date
- Apr 27, 2022
- Required action
- Apply updates per vendor instructions.
- Known ransomware campaign use
- Unknown
- CWE
- CWE-416
OSV package mapping
Affected open-source packages
OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.