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VulnerabilityPoC3 · 1 read

CVE-2023-20593

CVSS 3.1: 5.5 medium
EPSS: 5%p92
Published: Jul 24, 2023 · Jul 24, 2023
Modified: Jun 17, 2026

Analyze CVE-2023-20593 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

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

Vendors: xen debian amd

Products: xen, debian linux, ryzen 3 3100 firmware, ryzen 3 3300x firmware, ryzen 5 3500 firmware, ryzen 5 3500x firmware, ryzen 5 3600 firmware, ryzen 5 3600x firmware, ryzen 5 3600xt firmware, ryzen 7 3700x firmware, ryzen 7 3800x firmware, ryzen 7 3800xt firmware

Weakness: CWE-209

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (5.1%)

In the news

4 stories

Collide+Power, Downfall, and Inception: New Side

The Hacker NewsAug 10, 08:33 UTC · Aug 10, 2023VulnerabilityCVE-2023-20583 CVE-2022-40982 CVE-2023-20569+32 · 1 read

60

Zenbleed: New Flaw in AMD Zen 2 Processors Puts Encryption Keys and Passwords at Risk

The Hacker NewsJul 27, 06:35 UTC · Jul 27, 2023Exploit / PoCExploitedCVE-2023-205932

60

Intel patches high-severity vulnerability affecting central processing units

The RecordNov 15, 15:33 UTC · Nov 15, 2023VulnerabilityCVE-2023-23583 CVE-2022-40982 CVE-2023-20593

47

Downfall attacks can gather passwords, encryption keys from Intel processors

Help Net SecurityAug 9, 00:00 UTC · Aug 9, 2023VulnerabilityCVE-2022-40982 CVE-2023-20593 CVE-2023-205691

35