AUGUST 4, 2026
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Case File

CVE-2021-46778

MEDIUM · CVSS 5.6 EPSS 0.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.6. See the original NVD description below for full technical details.

CVE
CVE-2021-46778
Severity
MEDIUM
CVSS
5.6
EPSS
0.22%

Original NVD Description

Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information.

Related CVEs

Other vulnerabilities affecting the same vendor(s)