7.1

CVE-2021-36133

The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.

Data is provided by the National Vulnerability Database (NVD)
Linaro ≫ Op-tee Version-
   Nxp ≫ I.Mx 6 Version-
   Nxp ≫ I.Mx 6solox Version-
   Nxp ≫ I.Mx 6ull Version-
   Nxp ≫ I.Mx 6ulz Version-
   Nxp ≫ I.Mx 7ds Version-
   Nxp ≫ I.Mx6sx Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.123
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:P/I:P/A:N
CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.