Improper check for unusual conditions in CVE-2019-6813 BMXNOR0200H Ethernet / Serial RTU…
Priority LOW 37CWE-754Published · Updated
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) and Modicon M340 controller (all firmware versions), which could cause denial of service when truncated SNMP packets on port 161/UDP are received by the device.
Why it matters now
EPSS 0.02084 81st 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 |
|---|---|---|---|---|---|
| CVE-2019-6813 | BMXNOR0200H Ethernet / Serial RTU module | all firmware versions | — | No fix listed | CNA |
| CVE-2019-6813 | Modicon M340 controller | all firmware versions | — | No fix listed | CNA |
- BMXNOR0200H Ethernet / Serial RTU module VendorCVE-2019-6813 Affected all firmware versions Fixed in — No fix listed CNA
- Modicon M340 controller VendorCVE-2019-6813 Affected all firmware versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD 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-2019-6813
- 2026-10-03 Alias added: GHSA-ffcc-34j7-9r9f
References
More Schneider Electric Bmxnor0200h Firmware vulnerabilities
- 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
Sources
- CVE-2019-6813 · CVE Program
- CVE-2019-6813 · NVD
- FIRST EPSS
- GHSA-ffcc-34j7-9r9f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences