Vulnerability Description
A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading memory blocks from the controller over Modbus.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Modicon Premium Firmware | All versions |
| Schneider-Electric | Modicon Premium | - |
| Schneider-Electric | Modicon Quantum Firmware | All versions |
| Schneider-Electric | Modicon Quantum | - |
| Schneider-Electric | Modicon M340 Firmware | All versions |
| Schneider-Electric | Modicon M340 | - |
| Schneider-Electric | Modicon M580 Firmware | All versions |
| Schneider-Electric | Modicon M580 | - |
Related Weaknesses (CWE)
References
- https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/MitigationVendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0739ExploitThird Party Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/MitigationVendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0739ExploitThird Party Advisory
FAQ
What is CVE-2018-7844?
CVE-2018-7844 is a vulnerability with a CVSS score of 7.5 (HIGH). A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when r...
How severe is CVE-2018-7844?
CVE-2018-7844 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-2018-7844?
Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon Premium Firmware, Schneider-Electric Modicon Premium, Schneider-Electric Modicon Quantum Firmware, Schneider-Electric Modicon Quantum, Schneider-Electric Modicon M340 Firmware.