VULNERABILITY INTELLIGENCE

CVE-2018-7809

CVSS score9.8 CRITICAL
EPSS probability2.47%
CISA KEVNot currently listed
Published2018-11-30
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the password delete function of the web server.

Weakness classification

  • CWE-640: Weak Password Recovery Mechanism for Forgotten Password

Primary references