AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-32844

MEDIUM · CVSS 6.2 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-02-17 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.2. 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.

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

CVE
CVE-2021-32844
Severity
MEDIUM
CVSS
6.2
EPSS
0.23%

Original NVD Description

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, ` vi_pci_write` has is a call to `vc_cfgwrite` that does not check for null which when called makes the host crash. This issue may lead to a guest crashing the host causing a denial of service. This issue is fixed in commit 451558fe8aaa8b24e02e34106e3bb9fe41d7ad13.

Related CVEs

Other vulnerabilities affecting the same vendor(s)