CVE-2023-27100

State: Published
Severity: 9.8 Critical
Published: Mar 22, 2023
Updated: Feb 25, 2025
Reserved: Feb 27, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc
https://redmine.pfsense.org/issues/13574
http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html
https://packetstorm.news/files/id/171791exploit

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