What is CVE-2023-20583?

CVE-2023-20583 is a medium-severity vulnerability in Amd *, classified under Observable Discrepancy. CVSS score: 4.7/10. Published 2023-08-01.

How severe is CVE-2023-20583?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2023-20583 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Amd *

CVE-2023-20583

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.

EPSS: 0.003 (17.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Amd *
Amd Processors — versions Various

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

Public proof-of-concept exploits

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20583?: CVE-2023-20583 is a medium-severity vulnerability in Amd *, classified under Observable Discrepancy. CVSS score: 4.7/10. Published 2023-08-01.
How severe is CVE-2023-20583?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2023-20583 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.