AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-16843

MEDIUM · CVSS 5.9 EPSS 1.67% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-08-04 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-16843
Severity
MEDIUM
CVSS
5.9
EPSS
1.67%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)