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Case File

CVE-2020-27821

MEDIUM · CVSS 6 EPSS 0.36%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-08 · 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-2020-27821
Severity
MEDIUM
CVSS
6
EPSS
0.36%

Original NVD Description

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

Related CVEs

Other vulnerabilities affecting the same vendor(s)