How severe is CVE-2023-4346?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Knx Association Protocol Connection Authorization Option 1

CVE-2023-4346

KNX devices that use KNX Connection Authorization and support Option 1 are, depending on the implementation, vulnerable to being locked and users being unable to reset them to gain access to the device. The BCU key feature on the devices…

EPSS: 0.001 (18.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Knx Association Protocol Connection Authorization Option 1 — versions 0

Weakness classification (CWE)

CWE-645

References

www.cisa.gov/news-events/ics-advisories/icsa-23-236-01 (government-resource)

Frequently asked questions

What is CVE-2023-4346?: CVE-2023-4346 is a high-severity vulnerability in Knx Association Protocol Connection Authorization Option 1, classified under CWE-645. CVSS score: 7.5/10. Published 2023-08-29.
How severe is CVE-2023-4346?: High severity. CVSS v3 base score is 7.5 out of 10.