Strix
26.1K

CVE-2024-21980

HIGHCVSS 7.9/10EPSS 0.45%

Last modified

CVE-2024-21980 is a high-severity vulnerability rated 7.9/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.9/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

EPSS Probability
0.45%

35.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AmdEpyc 7203 Firmware< milanpi_1.0.0.d
AmdEpyc 7203p Firmware< milanpi_1.0.0.d
AmdEpyc 72f3 Firmware< milanpi_1.0.0.d
AmdEpyc 7303 Firmware< milanpi_1.0.0.d
AmdEpyc 7303p Firmware< milanpi_1.0.0.d
AmdEpyc 7313 Firmware< milanpi_1.0.0.d
AmdEpyc 7313p Firmware< milanpi_1.0.0.d
AmdEpyc 7343 Firmware< milanpi_1.0.0.d
AmdEpyc 73f3 Firmware< milanpi_1.0.0.d
AmdEpyc 7373x Firmware< milanpi_1.0.0.d
AmdEpyc 7413 Firmware< milanpi_1.0.0.d
AmdEpyc 7443 Firmware< milanpi_1.0.0.d
AmdEpyc 7443p Firmware< milanpi_1.0.0.d
AmdEpyc 74f3 Firmware< milanpi_1.0.0.d
AmdEpyc 7453 Firmware< milanpi_1.0.0.d
AmdEpyc 7473x Firmware< milanpi_1.0.0.d
AmdEpyc 7513 Firmware< milanpi_1.0.0.d
AmdEpyc 7543 Firmware< milanpi_1.0.0.d
AmdEpyc 7543p Firmware< milanpi_1.0.0.d
AmdEpyc 75f3 Firmware< milanpi_1.0.0.d
AmdEpyc 7573x Firmware< milanpi_1.0.0.d
AmdEpyc 7643 Firmware< milanpi_1.0.0.d
AmdEpyc 7773x Firmware< milanpi_1.0.0.d
AmdEpyc 7643p Firmware< milanpi_1.0.0.d
AmdEpyc 7663 Firmware< milanpi_1.0.0.d
AmdEpyc 7663p Firmware< milanpi_1.0.0.d
AmdEpyc 7713 Firmware< milanpi_1.0.0.d
AmdEpyc 7713p Firmware< milanpi_1.0.0.d
AmdEpyc 7763 Firmware< milanpi_1.0.0.d
AmdEpyc 8024pn Firmware< genoapi_1.0.0.c
AmdEpyc 8024p Firmware< genoapi_1.0.0.c
AmdEpyc 8124pn Firmware< genoapi_1.0.0.c
AmdEpyc 8124p Firmware< genoapi_1.0.0.c
AmdEpyc 8224pn Firmware< genoapi_1.0.0.c
AmdEpyc 8224p Firmware< genoapi_1.0.0.c
AmdEpyc 8324pn Firmware< genoapi_1.0.0.c
AmdEpyc 8324p Firmware< genoapi_1.0.0.c
AmdEpyc 8434pn Firmware< genoapi_1.0.0.c
AmdEpyc 8434p Firmware< genoapi_1.0.0.c
AmdEpyc 8534pn Firmware< genoapi_1.0.0.c
AmdEpyc 8534p Firmware< genoapi_1.0.0.c
AmdEpyc 9734 Firmware< genoapi_1.0.0.c
AmdEpyc 9754s Firmware< genoapi_1.0.0.c
AmdEpyc 9754 Firmware< genoapi_1.0.0.c
AmdEpyc 9184x Firmware< genoapi_1.0.0.c
AmdEpyc 9384x Firmware< genoapi_1.0.0.c
AmdEpyc 9684x Firmware< genoapi_1.0.0.c
AmdEpyc 9124 Firmware< genoapi_1.0.0.c
AmdEpyc 9174f Firmware< genoapi_1.0.0.c
AmdEpyc 9224 Firmware< genoapi_1.0.0.c

Showing 50 of 86 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-21980?
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.
How severe is CVE-2024-21980?
CVE-2024-21980 has a CVSS score of 7.9/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21980?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21980?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST