CVE Vulnerability

CVE-2018-7789

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ Mitigation Vendor Advisory
http://www.securityfocus.com/bid/105171 Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02 Mitigation Third Party Advisory
Configurations

Configuration 1
Information

Published : 2018-08-29 08:29

Updated : 2022-02-03 02:31

NVD link : CVE-2018-7789

Mitre link : CVE-2018-7789

Products Affected

Modicon M221 Firmware

Schneider-electric

CWE
CWE-754