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High severity · published Sep 17, 2019
CVE-2019-6831
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause…
8.6
CVSS
1.4%
EPSS
No
On KEV
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BF
Bmxnor0200h Firmware · Schneider-electric
All versions, or not specified · source: NVD
Affected product
BF
Bmxnor0200h Firmware
Schneider-electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6831
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6831
Broken Link
https://security.cse.iitk.ac.in/responsible-disclosure
Vendor Advisory
https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/
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