Home/CVE/A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power
CVE

CVE-2023-20575

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.

MEDIUM · CVSS 6.5 EPSS 0.00473
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
CWE-203Observable Discrepancy
▤

Affected Products & Versions

60
amd epyc 7251 firmwareall versions
amd epyc 7281 firmwareall versions
amd epyc 7301 firmwareall versions
amd epyc 7351 firmwareall versions
amd epyc 7351p firmwareall versions
amd epyc 7401 firmwareall versions
amd epyc 7401p firmwareall versions
amd epyc 7451 firmwareall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jul 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3004Vendor Advisory
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