How severe is CVE-2023-20592?

CVE-2023-20592 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-20592 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20592?

CVE-2023-20592 primarily affects Amd Epyc 7001 Firmware. In total, 69 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20592?

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

When was CVE-2023-20592 published?

CVE-2023-20592 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-20592

CVE-2023-20592 is a medium-severity vulnerability in Amd Epyc 7001 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Amd Epyc 7001 Firmware
Published: 2023-11-14
Last modified: 2026-06-17

Description

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

Frequently asked questions

What is CVE-2023-20592?: Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.
How severe is CVE-2023-20592?: CVE-2023-20592 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-20592 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20592?: CVE-2023-20592 primarily affects Amd Epyc 7001 Firmware. In total, 69 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20592?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20592 published?: CVE-2023-20592 was published on 2023-11-14 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3005

Affected products (69)

cpe:2.3:o:amd:epyc_7001_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7251_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7261_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7281_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7301_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7401_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7401p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7451_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7501_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7601_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7232p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7252_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7262_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7272_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7282_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7302_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7302p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7352_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7402_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7402p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7452_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7502_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7502p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7532_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7542_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7552_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7642_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7662_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7702_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7702p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7742_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7f32_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7f52_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7f72_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7h12_firmware:-:*:*:*:*:*:*:*

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