CVE-2021-28216

7.8 highEPSS 0.4%

High (7.8) in tianocore edk ii. EPSS 0.4% chance of exploitation in the next 30 days.

BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.

Severity

7.8 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWEs: CWE-763, CWE-587
Published: 2021-08-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19