VULNERABILITY INTELLIGENCE

CVE-2021-26370

CVSS score7.1 HIGH
EPSS probability0.23%
CISA KEVNot currently listed
Published2022-05-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Description

Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

Weakness classification

  • psirt@amd.com: CWE-20
  • nvd@nist.gov: CWE-20

Primary references