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CVE-2021-46765

HIGHCVSS 7.5/10EPSS 0.62%

Last modified

CVE-2021-46765 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service. . EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.62%

44.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AmdRyzen 6600h Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6600hs Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6600u Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6800h Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6800hs Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6800u Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6900hs Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6900hx Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6980hs Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 6980hx Firmwarerembrandtpi-fp7_1.0.0.5
AmdRyzen 5300g Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5300g Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5300ge Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5300ge Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5500 Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5500 Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5600 Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5600 Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5600g Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5600g Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5600ge Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5600ge Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5600x Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5600x Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5700g Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5700g Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5700ge Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5700ge Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5700x Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5700x Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5800 Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5800 Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5800x3d Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5800x3d Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5800x Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5800x Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5900 Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5900 Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5900x Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5900x Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5945wx Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5945wx Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5950x Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5950x Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5955wx Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5955wx Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5965wx Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5965wx Firmwarecomboam4v2_pi_1.2.0.8
AmdRyzen 5975wx Firmwarecezannepi-fp6_1.0.0.b
AmdRyzen 5975wx Firmwarecomboam4v2_pi_1.2.0.8

Showing 50 of 78 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-46765?
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
How severe is CVE-2021-46765?
CVE-2021-46765 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46765?
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-2021-46765?

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

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Source: NVD / NIST