CVE-2023-20593 Affecting amd64-microcode package, versions <3.20230719.1~deb12u1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
5.07% (93rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-AMD64MICROCODE-22132768
  • published2 Nov 2026
  • disclosed24 Jul 2023

Introduced: 24 Jul 2023

CVE-2023-20593  (opens in a new tab)

How to fix?

Upgrade Echo:latest amd64-microcode to version 3.20230719.1~deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream amd64-microcode package and not the amd64-microcode package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

References

CVSS Base Scores

version 3.1