CVE-2023-27100

CRITICAL

Netgate pfSense Plus <v22.05.1 - Auth Bypass

Title source: llm

Description

Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software v2.6.0 allows attackers to bypass brute force protection mechanisms via crafted web requests.

Exploits (3)

exploitdb WORKING POC
by FabDotNET · pythonremotehardware
https://www.exploit-db.com/exploits/51352
nomisec WORKING POC 2 stars
by DarokNET · poc
https://github.com/DarokNET/CVE-2023-27100
nomisec WORKING POC
by fabdotnet · poc
https://github.com/fabdotnet/CVE-2023-27100

Scores

CVSS v3 9.8
EPSS 0.0350
EPSS Percentile 87.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-307
Status published
Products (2)
netgate/pfsense_plus 22.05.1
pfsense/pfsense 2.6.0
Published Mar 22, 2023
Tracked Since Feb 18, 2026