Vulnerability in Cisco Firepower Threat Defense Software
CVE-2023-20267
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.
EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Cisco Firepower Threat Defense Software — versions 6.7.0, 6.7.0.1, 6.7.0.2
- Cisco Firepower_threat_defense
- Cisco Secure_firewall_threat_defense
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20267?
- CVE-2023-20267 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-11-01.
- How severe is CVE-2023-20267?
- Medium severity. CVSS v3 base score is 4.0 out of 10.