AUGUST 4, 2026
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Case File

CVE-2023-20521

LOW · CVSS 3.3 EPSS 0.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-11-14 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.3. It may lead to a denial-of-service condition.

CVE
CVE-2023-20521
Severity
LOW
CVSS
3.3
EPSS
0.26%

Original NVD Description

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)