7.8

CVE-2023-20548: amd radeon_pro_vii_firmware

CVSS: 7.8v3.1HighAnalyzed
Published 11-02-2026Last modified 11-02-2026
Open JSON

Vulnerability summary

CVE-2023-20548 is a high (CVSS 7.8) vulnerability in amd radeon_pro_vii_firmware. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.11%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-02-2026
    PublishedVulnerability first disclosed.
  2. 11-02-2026
    Last modifiedVulnerability information updated.

Description

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

+0.01 pp

From 0.10% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.11%

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

Amd4 products

1 vendor · 4 products

References

1 links