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VULNERABILITIES

CVE-2018-7789 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA: CISA-ADPCVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02 CVEMitigationThird Party AdvisoryUS Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ CVEMitigationVendor Advisory
http://www.securityfocus.com/bid/105171 CVEThird Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-240-02 [email protected]MitigationThird Party AdvisoryUS Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-233-01/ [email protected]MitigationVendor Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-754Improper Check for Unusual or Exceptional Conditions[email protected]
CWE-754Improper Check for Unusual or Exceptional ConditionsCISA-ADP

Affected Products

ProductVersions
schneider-electric modicon m221 firmware
< 1.6.2.0

CPE

  • cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
schneider-electric modicon m221
All versions

CPE

  • cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

16 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-7789
NVD Published Date:
Aug 29, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-7789 Details - Not Deferred