Vulnerabilities > CVE-2020-16843 - Unspecified vulnerability in Amazon Firecracker 0.20.0/0.21.0/0.21.1
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 3 |