CVE-2023-20519

Name: CVE-2023-20519
Creator: NVD / NIST
Published: 2023-11-14T19:15:15.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2023-20519 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity. . EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.21%

10.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Amd	Milanpi Firmware	< 1.0.0.a
Amd	Genoapi Firmware	< 1.0.0.3

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20519?

How severe is CVE-2023-20519?

CVE-2023-20519 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20519?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20519?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST