CVE-2020-23015: Opnsense

Medium severity, CVSS 6.1. EPSS: 2.7% chance of exploitation in the next 30 days.

An open redirect issue was discovered in OPNsense through 20.1.5. The redirect parameter "url" in login page was not filtered and can redirect user to any website.

Affected products

• Opnsense Opnsense: up to and including 20.1.5

Published 2021-05-03. Last modified 2026-06-17.