AUGUST 4, 2026
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Case File

CVE-2021-31703

CRITICAL · CVSS 9.8 EPSS 1.23% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-29 · 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.

GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-31703
Severity
CRITICAL
CVSS
9.8
EPSS
1.23%

Original NVD Description

Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.