4.6
MEDIUM CVSS 4.0
CVE-2025-48517
AMD SEV Firmware Access Control Bypass
Description

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.

INFO

Published Date :

Feb. 10, 2026, 8:16 p.m.

Last Modified :

June 17, 2026, 9:29 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-48517 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 MEDIUM b58fc414-a1e4-4f92-9d70-1add41838648
CVSS 4.0 MEDIUM [email protected]
Solution
Update SEV firmware to enforce proper access control for ASID ranges.
  • Update SEV firmware to the latest version.
  • Restrict ASID range assignments based on guest security.
  • Review hypervisor access controls for SEV guests.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-48517.

URL Resource
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-48517 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-48517 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-48517 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-48517 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 9005 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'TurinPI 1.0.0.6'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 9005 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbTurinPI-SP5_1.0.0.1'}], 'defaultStatus': 'affected'}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2025-48517', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-02-10T21:12:25.945690Z'}
  • New CVE Received by [email protected]

    Feb. 10, 2026

    Action Type Old Value New Value
    Added Description Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-1220
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.