VULNERABILITY INTELLIGENCE
CVE-2021-34380
CVSS score7 HIGH
EPSS probability0.25%
CISA KEVNot currently listed
Published2021-06-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Bootloader contains a vulnerability in NVIDIA MB2 where potential heap overflow might cause corruption of the heap metadata, which might lead to arbitrary code execution, denial of service, and information disclosure during secure boot.
Weakness classification
- nvd@nist.gov: CWE-787
Primary references
- psirt@nvidia.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory