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Case File

CVE-2023-20520

CRITICAL · CVSS 9.8 EPSS 0.79% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-05-09 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-20520
Severity
CRITICAL
CVSS
9.8
EPSS
0.79%

Original NVD Description

Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.