9.8

CVE-2023-20596: amd amd ryzen™ 6000 series processors with radeon™ graphics "rembrandt"

CVSS: 9.8v3.1CriticalModified
Published 14-11-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-20596 is a critical (CVSS 9.8) vulnerability in amd amd ryzen™ 6000 series processors with radeon™ graphics "rembrandt". EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.04%
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. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.04%

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

No weakness data has been published for this record.

Affected systems

Amd71 products

1 vendor · 71 products

References

1 links