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CVE-2021-26366

HIGHCVSS 7.1/10EPSS 0.23%

Last modified

CVE-2021-26366 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.

Metrics

CVSS 3.1
7.1/10

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

EPSS Probability
0.23%

13.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AmdRadeon SoftwareAll versions
AmdAthlon 3050ge FirmwareAll versions
AmdAthlon 3150g FirmwareAll versions
AmdAthlon 3150ge FirmwareAll versions
AmdRyzen 3 2200u FirmwareAll versions
AmdRyzen 3 2300u FirmwareAll versions
AmdRyzen 3 3100 FirmwareAll versions
AmdRyzen 3 3300g FirmwareAll versions
AmdRyzen 3 3300x FirmwareAll versions
AmdRyzen 3 5125c FirmwareAll versions
AmdRyzen 3 5400u FirmwareAll versions
AmdRyzen 3 5425c FirmwareAll versions
AmdRyzen 3 5425u FirmwareAll versions
AmdRyzen 5 2500u FirmwareAll versions
AmdRyzen 5 2600 FirmwareAll versions
AmdRyzen 5 2600h FirmwareAll versions
AmdRyzen 5 2600x FirmwareAll versions
AmdRyzen 5 3400g FirmwareAll versions
AmdRyzen 5 3450g FirmwareAll versions
AmdRyzen 5 3600 FirmwareAll versions
AmdRyzen 5 3600x FirmwareAll versions
AmdRyzen 5 5560u FirmwareAll versions
AmdRyzen 5 5600h FirmwareAll versions
AmdRyzen 5 5600hs FirmwareAll versions
AmdRyzen 5 5600u FirmwareAll versions
AmdRyzen 5 5600x FirmwareAll versions
AmdRyzen 5 5625c FirmwareAll versions
AmdRyzen 5 5625u FirmwareAll versions
AmdRyzen 5 5700g FirmwareAll versions
AmdRyzen 5 5700ge FirmwareAll versions
AmdRyzen 7 2700 FirmwareAll versions
AmdRyzen 7 2700u FirmwareAll versions
AmdRyzen 7 2700x FirmwareAll versions
AmdRyzen 7 2800h FirmwareAll versions
AmdRyzen 7 3700x FirmwareAll versions
AmdRyzen 7 3800x FirmwareAll versions
AmdRyzen 7 5800h FirmwareAll versions
AmdRyzen 7 5800hs FirmwareAll versions
AmdRyzen 7 5800u FirmwareAll versions
AmdRyzen 7 5825c FirmwareAll versions
AmdRyzen 7 5825u FirmwareAll versions
AmdRyzen 9 3900x FirmwareAll versions
AmdRyzen 9 3950x FirmwareAll versions
AmdRyzen 9 5900hs FirmwareAll versions
AmdRyzen 9 5900hx FirmwareAll versions
AmdRyzen 9 5980hs FirmwareAll versions
AmdRyzen 9 5980hx FirmwareAll versions
AmdRyzen Threadripper 2920x FirmwareAll versions
AmdRyzen Threadripper 2950x FirmwareAll versions
AmdRyzen Threadripper 2970wx FirmwareAll versions

Showing 50 of 63 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-26366?
An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.
How severe is CVE-2021-26366?
CVE-2021-26366 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26366?
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