Description
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.
References (3)
Core 3
Core References
Mitigation, Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02
Mitigation, Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105171
Scores
CVSS v3
7.5
EPSS
0.0280
EPSS Percentile
84.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-754
Status
published
Products (2)
Schneider Electric SE/Modicon M221, all references, all versions prior to firmware V1.6.2.0
Modicon M221, all references, all versions prior to firmware V1.6.2.0
schneider-electric/modicon_m221_firmware
< 1.6.2.0
Published
Aug 29, 2018
Tracked Since
Feb 18, 2026