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CVE-2024-21980

HIGH

7.9

CVSS Score

Published: August 5, 2024 at 04:06 PM UTC

Updated: June 17, 2026 at 07:10 AM UTC

178 products affected across 1 vendorEpyc 7663 FirmwareEpyc 7713P FirmwareEpyc 7413 Firmware

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Severity

HIGH7.9

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Epyc 7203 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7203 (same device)

Epyc 7203P Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7203p (same device)

Epyc 72F3 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-72f3 (same device)

Epyc 7303 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7303 (same device)

Epyc 7303P Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7303p (same device)

Epyc 7313 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7313 (same device)

Epyc 7313P Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7313p (same device)

Epyc 7343 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7343 (same device)

Epyc 7373X Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-7373x (same device)

Epyc 73F3 Firmware · AMD

95%

v < milanpi_1.0.0.d

Affected range stops below milanpi_1.0.0.d, so it looks safe — our inference, not a vendor statement

amd-epyc-73f3 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html

References (1)

Vendor AdvisoryBroken Link

Source: [email protected]

https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.9HIGHAMD

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-119CWE-787

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