What is CVE-2023-20573?

CVE-2023-20573 is a low-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Protection Mechanism Failure. CVSS score: 3.2/10. Published 2024-01-11.

How severe is CVE-2023-20573?

Low severity. CVSS v3 base score is 3.2 out of 10.

Is CVE-2023-20573 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Amd 3rd Gen Epyc™ Processors

CVE-2023-20573

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

EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.2 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N.

Affected products

Amd 3rd Gen Epyc™ Processors — versions various
Amd 4th Gen Epyc™ Processors — versions Various
Amd Epyc_7203
Amd Epyc_7203_firmware
Amd Epyc_7203p
Amd Epyc_7203p_firmware
Amd Epyc_72f3
Amd Epyc_72f3_firmware
Amd Epyc_7303
Amd Epyc_7303_firmware

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

Public proof-of-concept exploits

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20573?: CVE-2023-20573 is a low-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Protection Mechanism Failure. CVSS score: 3.2/10. Published 2024-01-11.
How severe is CVE-2023-20573?: Low severity. CVSS v3 base score is 3.2 out of 10.
Is CVE-2023-20573 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.