Vulnerability Monitor

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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.

Published

2018-08-29T20:29:00.343

Last Modified

2024-11-21T04:12:44.300

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-754

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	schneider-electric	modicon_m221_firmware	< 1.6.2.0	Yes
Hardware	schneider-electric	modicon_m221	-	No

References

http://www.securityfocus.com/bid/105171 Third Party Advisory, VDB Entry ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02 Mitigation, Third Party Advisory, US Government Resource ([email protected])
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ Mitigation, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/105171 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02 Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)