AUGUST 4, 2026
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Case File

CVE-2021-4158

MEDIUM · CVSS 6 EPSS 0.38%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.0. It may lead to a denial-of-service condition.

CVE
CVE-2021-4158
Severity
MEDIUM
CVSS
6
EPSS
0.38%

Original NVD Description

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Related CVEs

Other vulnerabilities affecting the same vendor(s)