VULNERABILITY INTELLIGENCE
CVE-2021-46772
CVSS score3.9 LOW
EPSS probability0.18%
CISA KEVNot currently listed
Published2024-08-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
Description
Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-125