CVE-2019-6833 (GCVE-0-2019-6833)
Vulnerability from cvelistv5 – Published: 2019-09-17 19:36 – Updated: 2025-09-30 14:36
VLAI
EPSS
VEX
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-30 14:36 UTC
CWE
- CWE-754 - – Improper Check for Unusual or Exceptional Conditions
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.schneider-electric.com/ww/en/download… | x_refsource_CONFIRM |
| https://security.cse.iitk.ac.in/responsible-disclosure | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Schneider Electric SE | Magelis HMI Panels |
Affected:
all versions of HMIGTO
Affected: all versions of HMISTO Affected: all versions of XBTGH Affected: all versions of HMIGTU Affected: all versions of HMIGTUX Affected: all versions of HMISCU Affected: all versions of HMISTU Affected: all versions of XBTGT Affected: all versions of HMIGXO Affected: all versions of HMIGXU |
guessed |
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"lang": "es",
"value": "Existe una vulnerabilidad CWE-754 - Comprobaci\u00f3n inadecuada de condiciones inusuales o excepcionales en los paneles Magelis HMI (todas las versiones de - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU) congelaci\u00f3n temporal de la HMI cuando se recibe una alta tasa de tramas. Cuando se detiene el ataque, el panel de HMI procesa los comandos almacenados en el b\u00fafer."
}
],
"id": "CVE-2019-6833",
"lastModified": "2025-09-30T15:15:39.103",
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"baseScore": 6.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
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{
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"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2019-09-17T20:15:12.467",
"references": [
{
"source": "cybersecurity@se.com",
"url": "https://security.cse.iitk.ac.in/responsible-disclosure"
},
{
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"tags": [
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],
"url": "https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-225-01"
},
{
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{
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],
"sourceIdentifier": "cybersecurity@se.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-754"
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],
"source": "cybersecurity@se.com",
"type": "Secondary"
},
{
"description": [
{
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"value": "CWE-754"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
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}
},
"vulnrichment": {
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.