CVE-2019-19643

Name: CVE-2019-19643
Creator: NVD / NIST
Published: 2020-08-14T15:15:13.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.37%

Last modified Jun 17, 2026

CVE-2019-19643 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.37%

68.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Ise	Smart Connect Knx Vaillant	1.2.839

References

https://psytester.github.io/CVE-2019-19643/Exploit, Third Party Advisory
https://psytester.github.io/CVE-2019-19643/Exploit, Third Party Advisory

Timeline

Published: Aug 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19643?

ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.

How severe is CVE-2019-19643?

CVE-2019-19643 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19643?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST