What’s Vulnerable › Vulnerabilities

CVE-2023-20583: Software based Power Side Channel on AMD CPUs

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-01 · updated 2026-06-17
• Weakness: CWE-203

Description

A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.

Affected products

• AMD *: all versions

References

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7006
• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7006

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