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CVE-2023-20591

MEDIUM
Published 2024-08-13T16:53:23.681Z
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Expert Analysis

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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.434
Higher than 43.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
LOW

Description

Improper re-initialization of IOMMU during the DRTM event
may permit an untrusted platform configuration to persist, allowing an attacker
to read or modify hypervisor memory, potentially resulting in loss of
confidentiality, integrity, and availability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

AMD EPYC™ 7003 Series Processors

Affected Versions:

MilanPI 1.0.0.B
AMD

AMD EPYC™ 9004 Series Processors

Affected Versions:

Genoa 1.0.0.8
AMD

AMD EPYC™ Embedded 7003 Series Processors

Affected Versions:

EmbMilanPI-SP3 1.0.0.7
AMD

AMD EPYC™ Embedded 9003 Series Processors

Affected Versions:

EmbGenoaPI-SP5 1.0.0.3
amd

epyc_7003_firmware

Affected Versions:

0
amd

epyc_9003_firmware

Affected Versions:

0
amd

epyc_7773x_firmware

Affected Versions:

0
amd

epyc_9754s_firmware

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-v8c4-4ghf-7jv6

Advisory Details

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-20591
WEB https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

Advisory provided by GitHub Security Advisory Database. Published: August 13, 2024, Modified: August 13, 2024

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
Published: 2024-08-13T16:53:23.681Z
Last Modified: 2025-03-13T16:41:15.645Z
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