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Fencer Intel
high 8.8

CVE-2019-6528 json

PSI GridConnect GmbH Telecontrol Gateway and Smart Telecontrol Unit family, IEC104 Security Proxy versions Telecontrol Gateway 3G Versions…

published 7y ago modified 4mo ago also EUVD-2019-16087

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

PSI GridConnect GmbH Telecontrol Gateway and Smart Telecontrol Unit family, IEC104 Security Proxy versions Telecontrol Gateway 3G Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Telecontrol Gateway XS-MU Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Telecontrol Gateway VM Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Smart Telecontrol Unit TCG Versions 5.0.27, 5.1.19, 6.0.16 and prior, and IEC104 Security Proxy Version 2.2.10 and prior The web application browser interprets input as active HTML, JavaScript, or VBScript, which could allow an attacker to execute arbitrary code.

Patch / fix

  • psigridconnect telecontrol_gateway_xs-mu_firmware 5.1.20
  • psigridconnect telecontrol_gateway_vm_firmware 5.1.20
  • psigridconnect telecontrol_gateway_3g_firmware 5.1.20, 6.0.16
  • psigridconnect smart_telecontrol_unit_tcg_firmware 5.1.20, 6.0.16

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-059-01 updated cvss 8.5

PSI GridConnect Telecontrol

  • PSI GridConnect GmbH (formerly PSI Nentec GmbH) IEC104 Security Proxy <= 2.2.10 PSI GridConnect GmbH (formerly PSI Nentec GmbH) Smart Telecontrol Unit TCG <= 5.0.27, <= 5.1.19, <= 6.0.16 PSI GridConnect GmbH (formerly PSI Nentec GmbH) Telecontrol Gateway 3G <= 4.2.21, <= 5.0.27, <= 5.1.19, <= 6.0.16 PSI GridConnect GmbH (formerly PSI Nentec GmbH) Telecontrol Gateway VM <= 4.2.21, <= 5.0.27, <= 5.1.19, <= 6.0.16 PSI GridConnect GmbH (formerly PSI Nentec GmbH) Telecontrol Gateway XS-MU <= 4.2.21, <= 5.0.27, <= 5.1.19, <= 6.0.16
    affected: mitigation “PSI recommends users of affected devices update their devices to a version where this vulnerability is patched.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.58% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • ICS-CERT PSI GridConnect GmbH (formerly known as PSI Nentec GmbH) Telecontrol Gateway and Smart Telecontrol Unit family, IEC104 Security Proxy.

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.