A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received
Published Sep 17, 2019
6.5
MEDIUMCVSS 3.1
EPSS 1.05%
Description
A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.
Affected products
-
- Version all versions of HMIGTOStatusaffectedConstraints-
- Version all versions of HMIGTUStatusaffectedConstraints-
- Version all versions of HMIGTUXStatusaffectedConstraints-
- Version all versions of HMIGXOStatusaffectedConstraints-
- Version all versions of HMIGXUStatusaffectedConstraints-
- Version all versions of HMISCUStatusaffectedConstraints-
- Version all versions of HMISTOStatusaffectedConstraints-
- Version all versions of HMISTUStatusaffectedConstraints-
- Version all versions of XBTGHStatusaffectedConstraints-
- Version all versions of XBTGTStatusaffectedConstraints-
- 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 | Magelis HMI Panels | n/a |
|
Configuration 1
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Running on/with
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Configuration 2
- n/a
Running on/with
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Configuration 3
- n/a
Running on/with
- n/a
Configuration 4
- n/a
Running on/with
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Configuration 5
- n/a
Running on/with
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Configuration 6
- n/a
Running on/with
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Configuration 7
- n/a
Running on/with
- n/a
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Configuration 8
- n/a
Running on/with
- n/a
Configuration 9
- n/a
Running on/with
- n/a
- 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:R/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 30, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.05% (0.01049) | 62.96th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.05% (0.01049) | 62.73th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00109) | 44.29th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.11% (0.00109) | 44.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00109) | 42.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.56% (0.02561) | 62.63th | v2 (v2022.01.01) |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://security.cse.iitk.ac.in/responsible-disclosure x_refsource_MISC
- https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-225-01 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.cse.iitk.ac.in/responsible-disclosure | x_refsource_MISC | |
| https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-225-01 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.