Vulnerabilities > CVE-2018-7789 - Improper Check for Unusual or Exceptional Conditions vulnerability in Schneider-Electric Modicon M221 Firmware 1.1.1.5

047910
CVSS 7.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
network
low complexity
schneider-electric
CWE-754

Summary

An Improper Check for Unusual or Exceptional Conditions 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 remotely reboot Modicon M221 using crafted programing protocol frames.