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Case File

CVE-2018-7791

CRITICAL · CVSS 9.8 EPSS 1.90% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-08-29 · 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
exploit

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

CVE
CVE-2018-7791
Severity
CRITICAL
CVSS
9.8
EPSS
1.90%

Original NVD Description

A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.