CVE-2023-27100
Netgate pfSense Plus SSHGuard Excessive Authentication Attempt Restriction Bypass
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.
INFO
Published Date :
March 22, 2023, 11:15 p.m.
Last Modified :
April 10, 2023, 8:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-27100 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-27100.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html | |
| https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc | Vendor Advisory |
| https://redmine.pfsense.org/issues/13574 | Issue Tracking Patch Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-27100 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-27100 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 10, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 28, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc No Types Assigned https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc Vendor Advisory Changed Reference Type https://redmine.pfsense.org/issues/13574 No Types Assigned https://redmine.pfsense.org/issues/13574 Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-307 Added CPE Configuration OR *cpe:2.3:a:netgate:pfsense_plus:22.05.1:*:*:*:*:*:*:* *cpe:2.3:a:pfsense:pfsense:2.6.0:*:*:*:community:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-27100 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-27100
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.32 }} 0.04%
score
0.70924
percentile