CVE-2019-6833 (GCVE-0-2019-6833)

Vulnerability from cvelistv5 – Published: 2019-09-17 19:36 – Updated: 2025-09-30 14:36
VLAI
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.
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
References
Impacted products
Vendor Product Version
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
Create a notification for this product.
Show details on NVD website

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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

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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.

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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.


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