CVE-2023-27100

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
netgatepfsense_plus
22.05.1
pfsensepfsense
2.6.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html
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://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc
https://redmine.pfsense.org/issues/13574
https://packetstorm.news/files/id/171791