CVE-2018-7789: High severity Schneider-electric Modicon M221 Firmware vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2018-7789.
What is the severity of CVE-2018-7789?
The severity of CVE-2018-7789 is high with a severity value of 7.5.
Which product is affected by CVE-2018-7789?
Schneider Electric's Modicon M221 product (all versions prior to firmware V1.6.2.0) is affected by CVE-2018-7789.
What does CVE-2018-7789 allow unauthorized users to do?
CVE-2018-7789 allows unauthorized users to remotely reboot Modicon M221 using crafted programing protocol frames.
How can I fix CVE-2018-7789?
To fix CVE-2018-7789, update the firmware of Schneider Electric's Modicon M221 to version V1.6.2.0 or later.