A vulnerability in the IP geolocation rules of Snort 3...

4 CVSS

Vulnerability Description

A vulnerability in the IP geolocation rules of Snort 3 could allow an unauthenticated, remote attacker to potentially bypass IP address restrictions. This vulnerability exists because the configuration for IP geolocation rules is not parsed properly. An attacker could exploit this vulnerability by spoofing an IP address until they bypass the restriction. A successful exploit could allow the attacker to bypass location-based IP address restrictions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-20267

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdsnort3sip-bypass-LMz2ThKn

More from Cisco

View All →

CVE-2025-20393

Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability

Critical 10

CVE-2025-20377

Cisco Unified Intelligence Center API Information Disclosure Vulnerability

Medium 4.3

CVE-2025-20376

Cisco Unified Contact Center Express Remote Code Execution Vulnerability

Medium 6.5

CVE-2025-20375

Cisco Unified Contact Center Express Arbitrary File Upload Vulnerability

Medium 6.5

CVE-2025-20374

Cisco Unified Contact Center Express Arbitrary File Download Vulnerability

Medium 4.9

Affected Vendor

Cisco

View all reports →

Affected Software

Cisco Firepower Threat Defense Software

Vulnerable Versions:

6.7.0, 6.7.0.1, 6.7.0.2, 6.7.0.3, 7.0.0, 7.0.0.1, 7.0.1, 7.0.1.1, 7.0.2, 7.0.2.1, 7.0.3, 7.0.4, 7.0.5, 7.1.0, 7.1.0.1, 7.1.0.2, 7.1.0.3, 7.2.0, 7.2.0.1, 7.2.1, 7.2.2, 7.2.3, 7.3.0, 7.3.1, 7.3.1.1