{"id":"CVE-2023-4346","vendor_project":"KNX Association","product":"KNX Protocol Connection Authorization Option 1","vulnerability_name":"KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism Vulnerability","date_added":"2026-07-15","due_date":"2026-07-29","known_ransomware_use":"Unknown","short_description":"KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout mechanism vulnerability that could allow an attacker to purge all devices without additional security options enabled and set a BCU key to lock the device. ","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","cwes":"CWE-645","cvss_version":"3.1","cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","nvd_published":"2023-08-29","nvd_status":"Analyzed","epss":0.01294,"epss_percentile":0.69075,"cvss_score":7.5,"days_published_to_kev":1051,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2023-4346","by":"CyberMax"}