Is CVE-2023-27100 actively exploited?

CVE-2023-27100 has no public evidence of in-the-wild exploitation as of 2025-02-25.

What is the CVSS score for CVE-2023-27100?

CVE-2023-27100 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-27100?

Patch guidance is available from netgate security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-27100.

Which products are affected by CVE-2023-27100?

2 products: netgate pfsense plus, pfsense pfsense.

Fix CVE-2023-27100 - CRITICAL netgate pfsense plus

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-307 CWE-307

Metadata

Primary Vendor: NETGATE
Published: 3/22/2023
Last Modified: 2/25/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-27100

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary