CVE-2023-21477 HIGH

CVE-2023-21477

Published September 3, 2025
Last update February 26, 2026

CVSS base score

7.9/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Access of Memory Location After End of Buffer vulnerability in TIGERF trustlet prior to SMR Apr-2023 Release 1 allows local attackers to access protected data.

Key dates

02Disclosure timeline

September 3, 2025 CVE published
February 26, 2026 Record updated