Vulnerability Description
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper data integrity check when sending files the controller over Modbus.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Modicon M580 Firmware | All versions |
| Schneider-Electric | Modicon M580 | - |
| Schneider-Electric | Modicon M340 Firmware | All versions |
| Schneider-Electric | Modicon M340 | - |
| Schneider-Electric | Modicon Quantum Firmware | All versions |
| Schneider-Electric | Modicon Quantum | - |
| Schneider-Electric | Modicon Premium Firmware | All versions |
| Schneider-Electric | Modicon Premium | - |
Related Weaknesses (CWE)
References
- https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0737ExploitThird Party Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0737ExploitThird Party Advisory
FAQ
What is CVE-2018-7849?
CVE-2018-7849 is a vulnerability with a CVSS score of 7.5 (HIGH). A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper...
How severe is CVE-2018-7849?
CVE-2018-7849 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-2018-7849?
Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon M580 Firmware, Schneider-Electric Modicon M580, Schneider-Electric Modicon M340 Firmware, Schneider-Electric Modicon M340, Schneider-Electric Modicon Quantum Firmware.