CVE-2024-21343
MediumCVSS 5.9Exploitation Probability (EPSS)
High risk77th percentile - higher than 77% of all known CVEs
Summary
Denial of service vulnerability in Windows Network Address Translation (NAT). An attacker could cause the NAT service to crash, potentially disrupting network connectivity.
Risk Assessment
Risk of network disruption, which could impact service availability and communication within the organization.
Recommendation
Install the latest Windows security updates that address this vulnerability.
Other vulnerabilities in Windows NAT
See all- CVE-2026-56179High
Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.
- CVE-2026-56181High
Origin validation error in Windows Network Address Translation (NAT) allows an unauthenticated attacker to perform spoofing over an adjacent network.
- CVE-2024-38119High
A remote code execution vulnerability in Windows Network Address Translation (NAT) allows an attacker to execute code remotely.
- CVE-2024-21344Medium
A Denial of Service vulnerability in Windows Network Address Translation (NAT) allows an attacker to cause service failure or unavailability. The attack can be performed remotely without authentication.
- CVE-2021-26879High
Denial of service vulnerability in Windows Network Address Translation (NAT). An attacker could exploit this to cause a service failure.
Original NVD description (English source)
Windows Network Address Translation (NAT) Denial of Service Vulnerability