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Fencer Vulns
high 8.1

CVE-2019-6531 json

An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Soft…

published 2019-04-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16090

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) if the attacker is in an MITM position.

Patch / fix

  • kunbus pr100088_modbus_gateway_firmware 1.1.13166

Vendor advisories

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

cisa ICSA-19-036-05 updated cvss 8.8

Kunbus PR100088 Modbus Gateway (Update B)

  • Kunbus PR100088 Modbus gateway < R02 (or Software Version 1.1.13166)
    affected: mitigation “These devices are not intended to be used in a public network. Rather, these devices are intended for use in an industrial environment with a protected network architecture.” kunbus.de

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

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Kunbus PR100088 Modbus gateway

Classification

Weakness
  • CWE-598 Use of HTTP Request With Sensitive Query String

References

Sources

Fencer Vulns 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.