TI-2019-04864 Aliases CVE-2019-6831 GHSA-gvw6-phvj-chmf

Improper check for unusual conditions in Schneider Electric BMXNOR0200H Ethernet / Serial…

MEDIUM 40CWE-754Published 2019-09-17 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01401 72nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Schneider Electric	BMXNOR0200H Ethernet / Serial RTU module	all firmware versions	—	No fix listed	CNA

BMXNOR0200H Ethernet / Serial RTU module VendorSchneider Electric Affected all firmware versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:schneider-electric:bmxnor0200h_firmware::::::::	all versions	Vulnerable	Schneider Electric
cpe:2.3:h:schneider-electric:bmxnor0200h:-:::::::*	not specified by NVD	Running on	Schneider Electric

cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-6831
2026-10-03 Alias added: GHSA-gvw6-phvj-chmf

References

Advisory 1

https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/

Other 1

https://security.cse.iitk.ac.in/responsible-disclosure

TI-2018-05250 Hard-coded credentials in Schneider Electric Modicon Premium, Modicon Quantum, Modicon… CVSS 3.0CRITICAL 9.8
TI-2018-05604 Improper input validation in Schneider Electric Modicon M340, Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
TI-2018-05251 Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
TI-2018-05603 Improper authentication in Schneider Electric Modicon M340, Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
TI-2019-04845 Improper access control in Schneider Electric BMXNOR0200H Ethernet / Serial RTU module CVSS 3.1HIGH 8.8
TI-2017-03927 Uncontrolled resource consumption in Schneider Electric Modicon M340 PLC CVSS 3.0HIGH 7.5

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences