7.5

CVE-2023-20533: amd 2nd gen amd epyc™ processors

CVSS: 7.5v3.1HighModified
Published 14-11-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-20533 is a high (CVSS 7.5) vulnerability in amd 2nd gen amd epyc™ processors. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
SUSE-SU-2023:4654-1SUSE-SU-2023:4655-1SUSE-SU-2023:4660-1SUSE-SU-2023:4664-1SUSE-SU-2023:4665-1SUSE-SU-2024:2376-1

Timeline

  1. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.50%

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

Amd97 products

1 vendor · 97 products

References

3 links