CVE-2023-20573

LOW

SEV-SNP - Privilege Escalation

Title source: llm
STIX 2.1

Description

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.

Exploits (1)

nomisec WORKING POC 6 stars
by Freax13 · poc
https://github.com/Freax13/cve-2023-20573-poc

References (1)

Core 1
Core References

Scores

CVSS v3 3.2
EPSS 0.0008
EPSS Percentile 23.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-693
Status published
Products (50)
amd/epyc_7203_firmware
amd/epyc_7203p_firmware
amd/epyc_72f3_firmware
amd/epyc_7303_firmware
amd/epyc_7303p_firmware
amd/epyc_7313_firmware
amd/epyc_7313p_firmware
amd/epyc_7343_firmware
amd/epyc_7373x_firmware
amd/epyc_73f3_firmware
... and 40 more
Published Jan 11, 2024
Tracked Since Feb 18, 2026