An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200
Published Apr 18, 2018
9.8
CRITICALCVSS 3.0
EPSS 1.47%
Description
An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. Requests to CGI functions allow malicious users to bypass authorization.
Affected products
- Vendor Schneider Electric SE Product Modicon M340, Modicon Premium, Modicon Quantum, BMXNOR0201 Defaultn/a
- Version All Modicon M340, Premium, Quantum PLCs and BMXNOR0201StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Schneider Electric SE | Modicon M340, Modicon Premium, Modicon Quantum, BMXNOR0201 | n/a |
|
Configuration 1
- n/a
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Configuration 2
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Configuration 6
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Configuration 24
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Configuration 25
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Configuration 26
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Configuration 27
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Configuration 28
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Configuration 29
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Configuration 30
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Configuration 31
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Configuration 32
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Configuration 33
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Configuration 44
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Configuration 45
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Configuration 46
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Configuration 47
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Configuration 48
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Configuration 49
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Configuration 50
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Configuration 51
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Configuration 52
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Configuration 53
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Configuration 54
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Configuration 55
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Configuration 56
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Configuration 57
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Configuration 58
- n/a
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Configuration 59
- n/a
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- n/a
Configuration 60
- n/a
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- 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 2, 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 2, 2026 | 1.47% (0.01469) | 72.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.48% (0.01484) | 70.53th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.22% (0.00220) | 60.40th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.22% (0.00220) | 60.14th | v3 (v2023.03.01) |
| Mar 10, 2023 | 0.22% (0.00220) | 58.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00312) | 65.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://www.schneider-electric.com/en/download/document/SEVD-2018-081-02/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.schneider-electric.com/en/download/document/SEVD-2018-081-02/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.