Home/CVE/Windows Network Address Translation (NAT) Denial of Service Vulnerability
CVE

CVE-2021-40463

Windows Network Address Translation (NAT) Denial of Service Vulnerability

Windows Network Address Translation (NAT) Denial of Service Vulnerability.

HIGH · CVSS 7.7 EPSS 0.09125
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

8
microsoft windows 10all versions
microsoft windows 11 21h2all versions
microsoft windows 8.1all versions
microsoft windows rt 8.1all versions
microsoft windows server 2012all versions
microsoft windows server 2016all versions
microsoft windows server 2019all versions
microsoft windows server 2022all versions
▣

Scoring & Timeline

7.7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Oct 2021 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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Vendor Advisories

1
msrcCVE-2021-40463Denial of Service
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40463PatchVendor Advisory
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