Vulnerability CVE-2019-6811


Published: 2019-09-17

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.

Type:

CWE-754

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Schneider-electric -> Modicon quantum 140noe77101 firmware 
Schneider-electric -> Modicon quantum 140noe77111 firmware 

 References:
https://www.schneider-electric.com/en/download/document/SEVD-2019-253-02/

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