VULNERABILITY INTELLIGENCE
CVE-2023-27100
CVSS score9.8 CRITICAL
EPSS probability9.84%
CISA KEVNot currently listed
Published2023-03-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-307
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-307
Primary references
- cve@mitre.org
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Issue Tracking, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0