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Vulnerability Details : 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.
Publish Date : 2018-08-29 Last Update Date : 2018-11-07
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 754

- Products Affected By CVE-2018-7789

# Product Type Vendor Product Version Update Edition Language
1 OS Schneider-electric Modicon M221 Firmware 1.1.1.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Schneider-electric Modicon M221 Firmware 1

- References For CVE-2018-7789

http://www.securityfocus.com/bid/105171
BID 105171 Schneider Electric Modicon M221 CVE-2018-7789 Remote Security Bypass Vulnerability Release Date:2018-08-28
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ CONFIRM

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2018-7789

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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