CVE-2018-20798: Netgate Pfsense

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The expiretable configuration in pfSense 2.4.4_1 establishes block durations that are incompatible with the block durations implemented by sshguard, which might make it easier for attackers to bypass intended access restrictions.

Affected products

• Netgate Pfsense: version 2.4.4 only

Published 2019-03-01. Last modified 2026-06-17.