PT-2023-20955 · Netgate · Pfsense Ce+1

·

CVE-2023-27100

·

Published

2023-03-22

·

Updated

2025-02-25

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions pfSense Plus software version 22.05.1 pfSense CE software version 2.6.0
Description The issue is related to improper restriction of excessive authentication attempts in the SSHGuard component, allowing attackers to bypass brute force protection mechanisms via crafted web requests.
Recommendations For pfSense Plus software version 22.05.1, update to a version that includes a fix for this issue. For pfSense CE software version 2.6.0, update to a version that includes a fix for this issue. As a temporary workaround, consider restricting access to the SSHGuard component to minimize the risk of exploitation.

Exploit

Fix

Improper Restriction of Excessive Authentication Attempts

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2023-27100

Affected Products

Pfsense Ce
Pfsense Plus