CVE-2023-27100

Published: Mar 22, 2023Updated: Feb 25, 2025 Sources: CVE List NVDCWE-307

9.8CRITICAL

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-307

Affected Products

netgate

commercial·US

pfsense plusOn-premNetwork Device

Networking Infrastructure / router-switch

pfsense

oss-projectaka suricata package, pfsense ce, pfsense plus

pfsenseOn-prem

Security Products

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Credential Access

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References

https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc

docs.netgate.com

https://redmine.pfsense.org/issues/13574

redmine.pfsense.org

http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html

packetstormsecurity.com

and 1 more references View all →

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Exploit details & PoC links

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