How severe is CVE-2023-20575?

CVE-2023-20575 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 high, integrity none, and availability none.

Is CVE-2023-20575 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20575?

CVE-2023-20575 primarily affects Amd Epyc 7251 Firmware. In total, 88 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20575?

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

When was CVE-2023-20575 published?

CVE-2023-20575 was published on 2023-07-11 and last updated on 2026-06-17.

CVE-2023-20575

CVE-2023-20575 is a medium-severity vulnerability in Amd Epyc 7251 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. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Amd Epyc 7251 Firmware
Published: 2023-07-11
Last modified: 2026-06-17

Description

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.

Frequently asked questions

What is CVE-2023-20575?: A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.
How severe is CVE-2023-20575?: CVE-2023-20575 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 high, integrity none, and availability none.
Is CVE-2023-20575 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20575?: CVE-2023-20575 primarily affects Amd Epyc 7251 Firmware. In total, 88 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20575?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20575 published?: CVE-2023-20575 was published on 2023-07-11 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3004

Affected products (88)

cpe:2.3:o:amd:epyc_7251_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_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_embedded_3101_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_embedded_3151_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_embedded_3201_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_embedded_3251_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_embedded_3255_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_embedded_3451_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_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_5552_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:-:*:*:*:*:*:*:*

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