VULNERABILITY INTELLIGENCE

CVE-2018-20798

CVSS score7.5 HIGH

EPSS probability1.42%

CISA KEVNot currently listed

Published2019-03-01

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

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.

Weakness classification

CWE-732: Incorrect Permission Assignment for Critical Resource

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory