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CVE-2021-46760

CRITICALCVSS 9.8/10EPSS 0.78%

Last modified

CVE-2021-46760 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution. . EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.78%

51.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AmdRyzen 3945wx Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3955wx Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3960x Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3970x Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3975wx Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3990x Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3995wx Firmwarecastlepeakwspi-swrx8_1.0.0.9
AmdRyzen 3945wx Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3955wx Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3960x Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3970x Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3975wx Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3990x Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3995wx Firmwarechagallwspi-swrx8_1.0.0.2
AmdRyzen 3945wx Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3955wx Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3960x Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3970x Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3975wx Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3990x Firmwarecastlepeakpi-sp3r3_1.0.0.7
AmdRyzen 3995wx Firmwarecastlepeakpi-sp3r3_1.0.0.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-46760?
A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.
How severe is CVE-2021-46760?
CVE-2021-46760 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46760?
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.

How Strix Helps

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Source: NVD / NIST