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Case File

CVE-2021-20104

HIGH · CVSS 8.1 EPSS 2.15% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-29 · 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
remote code execution code execution

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

CVE
CVE-2021-20104
Severity
HIGH
CVSS
8.1
EPSS
2.15%

Original NVD Description

Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php.