AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-20203

LOW · CVSS 3.2 EPSS 0.59%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-25 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-20203
Severity
LOW
CVSS
3.2
EPSS
0.59%

Original NVD Description

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.