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
Published Sep 17, 2019
7.5
HIGHCVSS 3.1
EPSS 2.08%
Description
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.
Affected products
- Vendor n/a Product BMXNOR0200H Ethernet / Serial RTU module Defaultn/a
- Version all firmware versionsStatusaffectedConstraints-
- Version
- Vendor n/a Product Modicon M340 controller Defaultn/a
- Version all firmware versionsStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | BMXNOR0200H Ethernet / Serial RTU module | n/a |
| ||||||
| n/a | Modicon M340 controller | n/a |
|
Configuration 1
- n/a
Running on/with
- n/a
Configuration 2
- n/a
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.08% (0.02084) | 80.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.08% (0.02084) | 79.05th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.22% (0.00224) | 61.12th | v3 (v2023.03.01) |
| Jul 22, 2023 | 0.22% (0.00224) | 59.72th | v3 (v2023.03.01) |
| Jul 7, 2023 | 0.23% (0.00231) | 60.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00193) | 55.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.74% (0.05736) | 77.22th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.49% (0.04486) | 75.02th | v1 |
| Jan 6, 2022 | 4.49% (0.04486) | 74.80th | v1 |
| Sep 1, 2021 | 1.04% (0.01036) | 62.47th | v1 |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
References (3)
- https://security.cse.iitk.ac.in/responsible-disclosure x_refsource_MISCThird Party Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/ x_refsource_CONFIRMVendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.cse.iitk.ac.in/responsible-disclosure | x_refsource_MISCThird Party Advisory | |
| https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/ | x_refsource_CONFIRMVendor Advisory | |
| https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.