CVE-2023-27100

Summary

CVECVE-2023-27100
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-03-22 23:15:00 UTC
Updated2023-04-10 20:15:00 UTC
DescriptionImproper 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.

Risk And Classification

Problem Types: CWE-307

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Netgate Pfsense Plus 22.05.1 All All All
Application Pfsense Pfsense 2.6.0 All All All

References

ReferenceSourceLinkTags
docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc MISC docs.netgate.com
Bug #13574: Extra remote address information can confuse ``sshguard`` - pfSense - pfSense bugtracker MISC redmine.pfsense.org
pfsenseCE 2.6.0 Protection Bypass ≈ Packet Storm MISC packetstormsecurity.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report