Published: 22/03/2023 Updated: 10/04/2023

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 0

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 malicious users to bypass brute force protection mechanisms via crafted web requests.

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netgate pfsense plus 22.05.1
pfsense pfsense 2.6.0

pfsenseCE version 260 suffers from an anti-brute force protection bypass vulnerability ...

[CVE-2023-27100 - pfSense Anti-brute force protection bypass] Problem Description The authentication system attempts to be informative and print extra information along with IP addresses to completely identify where a user logs in from when they login using the GUI This includes the authentication source (eg local database, LDAP or RADIUS, authentication server name), plus c

CWE-307 https://redmine.pfsense.org/issues/13574 https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html https://nvd.nist.gov https://github.com/DarokNET/CVE-2023-27100 https://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html

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CVE-2023-27100

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