How severe is CVE-2023-20573?

CVE-2023-20573 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-20573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20573?

CVE-2023-20573 primarily affects Amd Epyc 7763 Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20573?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-20573 have an EU (EUVD) identifier?

Yes. CVE-2023-20573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24752.

When was CVE-2023-20573 published?

CVE-2023-20573 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2023-20573

CVE-2023-20573 is a low-severity vulnerability in Amd Epyc 7763 Firmware with a CVSS 3.x base score of 3.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Low (CVSS 3.x base score 3.2)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-24752
Weakness: CWE-693
Affected product: Amd Epyc 7763 Firmware
Published: 2024-01-11
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2023-20573?: CVE-2023-20573 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-20573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20573?: CVE-2023-20573 primarily affects Amd Epyc 7763 Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-20573 have an EU (EUVD) identifier?: Yes. CVE-2023-20573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24752.
When was CVE-2023-20573 published?: CVE-2023-20573 was published on 2024-01-11 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3006

Affected products (65)

cpe:2.3:o:amd:epyc_7763_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7713p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7713_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7663p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7663_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7643p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7773x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7643_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7573x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_75f3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7543p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7543_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7513_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7473x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7453_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_74f3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7443p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7443_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7413_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7373x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_73f3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7343_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7313p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7313_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7303p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7303_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_72f3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7203p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7203_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9654p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9654_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9634_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9554p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9554_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9534_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9474f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9454p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9454_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9374f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_9354p_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Amd Epyc 7763 Firmware

CVE-2023-20520 — Critical (CVSS 9.8): Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing…
CVE-2021-26379 — Critical (CVSS 9.8): Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM,…
CVE-2021-46756 — Critical (CVSS 9.1): Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow…
CVE-2021-46769 — High (CVSS 8.8): Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA…
CVE-2021-26340 — High (CVSS 8.4): A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to…
CVE-2024-21980 — High (CVSS 7.9): Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a…

All CVEs affecting Amd Epyc 7763 Firmware →

Other CWE-693 (Protection Mechanism Failure) vulnerabilities

CVE-2026-47140 — Critical (CVSS 10.0): vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins…
CVE-2026-34208 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects…
CVE-2026-34938 — Critical (CVSS 10.0): PraisonAI is a multi-agent teams system. Prior to version 1.5.90, execute_code() in praisonai-agents runs…
CVE-2026-2761 — Critical (CVSS 10.0): Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33,…
CVE-2022-32845 — Critical (CVSS 10.0): This issue was addressed with improved checks. This issue is fixed in watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS…
CVE-2026-45102 — Critical (CVSS 9.9): OneUptime is an open-source monitoring and observability platform. Prior to 10.0.98, OneUptime uses the Node.js' vm…

Browse all CWE-693 (Protection Mechanism Failure) vulnerabilities →