4.7

CVE-2021-46795

A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.

Data is provided by the National Vulnerability Database (NVD)
Amd ≫ Comboam4v2 Pi Firmware Version < 1.2.0.5
   Amd ≫ Comboam4v2 Pi Version-
Amd ≫ Renoirpi-fp6 Firmware Version < 1.0.0.7
   Amd ≫ Comboam4v2 Pi Version-
Amd ≫ Cezannepi-fp6 Firmware Version < 1.0.0.6
   Amd ≫ Cezannepi-fp6 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.132
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.