6.5

CVE-2023-20575: amd 1st gen amd epyc™ processors Observable Discrepancy

CVSS: 6.5v3.1MediumModified
Published 11-07-2023Last modified 27-11-2024
Open JSON

Vulnerability summary

CVE-2023-20575 is a medium (CVSS 6.5) Observable Discrepancy vulnerability in amd 1st gen amd epyc™ processors. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-07-2023
    PublishedVulnerability first disclosed.
  2. 27-11-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Amd92 products

1 vendor · 92 products

References

1 links