CVE-2019-6833

MEDIUM
6.5
CVSS Score
Published: September 17, 2019 at 07:36 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
50 products affected across 1 vendorXbtgt FirmwareHmigxu FirmwareXbtgh Firmware

Using Magelis HMI Panels by Schneider Electric SE?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
schneider-electric-hmigto1300 (same device) · schneider-electric-hmigto1310 (same device) · schneider-electric-hmigto2300 (same device) · schneider-electric-hmigto2310 (same device) · schneider-electric-hmigto2315 (same device) · schneider-electric-hmigto3510 (same device) · schneider-electric-hmigto4310 (same device) · schneider-electric-hmigto5310 (same device) · schneider-electric-hmigto5315 (same device) · schneider-electric-hmigto6310 (same device) · schneider-electric-hmigto6315 (same device)
All versions
schneider-electric-hmig2u (environment) · schneider-electric-hmig3u (environment) · schneider-electric-hmig3ufc (environment) · schneider-electric-hmig5u (environment) · schneider-electric-hmig5u2 (environment) · schneider-electric-hmig5ufc (environment) · schneider-electric-hmig5ul8a (environment)
All versions
schneider-electric-hmigxo (same device)
All versions
schneider-electric-hmigxu35 (same device) · schneider-electric-hmigxu55 (same device)
All versions
schneider-electric-hmiscu6a5 (same device) · schneider-electric-hmiscu6b5 (same device) · schneider-electric-hmiscu8a5 (same device) · schneider-electric-hmiscu8b5 (same device)
All versions
schneider-electric-hmisto501 (same device) · schneider-electric-hmisto511 (same device) · schneider-electric-hmisto512 (same device) · schneider-electric-hmisto531 (same device) · schneider-electric-hmisto532 (same device) · schneider-electric-hmisto705 (same device) · schneider-electric-hmisto715 (same device) · schneider-electric-hmisto735 (same device)
All versions
schneider-electric-hmistu655 (same device) · schneider-electric-hmistu655w (same device) · schneider-electric-hmistu855 (same device) · schneider-electric-hmistu855w (same device)
All versions
schneider-electric-xbtgh2460 (same device)
All versions
schneider-electric-xbtgt2430 (same device) · schneider-electric-xbtgt2930 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-754

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