CVE-2019-6833

mediumpriority · track · 26EPSS 0.010 · 64 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.05% (64th) EPSS
CVSS 4.3 · medium
Is it mine?
42 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-28

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationMagelis HMIGTO seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMIGTU seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMIGTUX seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMIGXO seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMIGXU seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMISCU seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMISTO seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis HMISTU seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis XBTGC seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis XBTGH seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

  • MitigationMagelis XBTGT seriescisa_csaf_ot

    Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCP.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.4
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.4

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.07.4highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:Hsecondary · CISA US
v3.17.4highAV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondaryexploitability 2.8 · impact 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-754USprimaryCWE-754USCWE-754US
05

affected products (42)

Products and version ranges known to be affected.

showing 20 of 42
06

advisories (1)

Vendor and ecosystem advisories describing this.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otNVDCVE.orgMITRE
published 2019-09-17modified 2026-06-17
10

references (8)

External citations — patches, advisories, analysis.

scry

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