Vulnerability Description
An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause cycle time impact when flooding the M221 ethernet interface while the Ethernet/IP adapter is activated.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Somachine Basic | All versions |
| Schneider-Electric | Modicon M221 Firmware | < 1.10.0.0 |
| Schneider-Electric | Modicon M221 | - |
Related Weaknesses (CWE)
References
- https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/Vendor Advisory
FAQ
What is CVE-2018-7821?
CVE-2018-7821 is a vulnerability with a CVSS score of 7.5 (HIGH). An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause cycle time impact when floodi...
How severe is CVE-2018-7821?
CVE-2018-7821 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-7821?
Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Somachine Basic, Schneider-Electric Modicon M221 Firmware, Schneider-Electric Modicon M221.