PT-2019-10240 · Netgate · Pfsense

Published 2019-03-01 · Updated 2019-10-03 · CVE-2018-20799

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: pfSense version 2.4.4 1

Description: The issue is related to inconsistent blocking of source IP addresses based on failed HTTPS and SSH authentication. This inconsistency might allow attackers to bypass intended access restrictions, as the behavior does not match the sshguard documentation.

Recommendations: For pfSense version 2.4.4 1, consider temporarily restricting access to the HTTPS authentication endpoint until a patch is available to ensure consistent blocking behavior with SSH authentication.

Exploit

Fix

Related Identifiers

CVE-2018-20799

Affected Products

Pfsense

References · 3

• 🔥 https://redmine.pfsense.org/issues/9223 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-20799 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20799 · Vendor Advisory