CVE-2020-16843 is a denial-of-service vulnerability affecting Amazon Firecracker versions 0.20.x prior to 0.20.1 and 0.21.x prior to 0.21.2. The vulnerability allows an attacker to freeze the network stack of a microVM under heavy ingress traffic, leading to a denial of service for the microVM or its network interface. With a CVSS score of 5.9 (Medium), this vulnerability has a network attack vector and high attack complexity, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.20.0CPE matchmatch criteria | cpe:2.3:a:amazon:firecracker:0.20.0:*:*:*:*:*:*:* | ||
0.21.0CPE matchmatch criteria | cpe:2.3:a:amazon:firecracker:0.21.0:*:*:*:*:*:*:* | ||
0.21.1CPE matchmatch criteria | cpe:2.3:a:amazon:firecracker:0.21.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.