Vulnerability Description
An Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module receives an IP fragmented packet with a length greater than 65535 bytes. The module then requires a power cycle to recover.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Modicon Quantum 140Noe77101 Firmware | <= 6.9 |
| Schneider-Electric | Modicon Quantum 140Noe77101 | - |
| Schneider-Electric | Modicon Quantum 140Noe77111 Firmware | <= 6.9 |
| Schneider-Electric | Modicon Quantum 140Noe77111 | - |
Related Weaknesses (CWE)
References
- https://www.schneider-electric.com/en/download/document/SEVD-2019-253-02/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-253-02/Vendor Advisory
FAQ
What is CVE-2019-6811?
CVE-2019-6811 is a vulnerability with a CVSS score of 7.5 (HIGH). An Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module rece...
How severe is CVE-2019-6811?
CVE-2019-6811 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-2019-6811?
Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon Quantum 140Noe77101 Firmware, Schneider-Electric Modicon Quantum 140Noe77101, Schneider-Electric Modicon Quantum 140Noe77111 Firmware, Schneider-Electric Modicon Quantum 140Noe77111.