CVE-2023-38997: Opnsense

High severity, CVSS 7.2. EPSS: 1.4% chance of exploitation in the next 30 days.

A directory traversal vulnerability in the Captive Portal templates of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary system commands as root via a crafted ZIP archive.

Affected products

• Opnsense Opnsense: before 23.7 (fixed in 23.7)

Published 2023-08-09. Last modified 2026-06-17.