CVE-2023-20267
Quick assessment
Affected
Cisco Cisco Firepower Threat Defense Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense存在安全漏洞，该漏洞源于Snort 3 IP 地理定位规则存在漏洞。该漏洞可能允许未经身份验证的远程攻击者绕过 IP 地址限制。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2023-20267
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Firepower Threat Defense 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense存在安全漏洞，该漏洞源于Snort 3 IP 地理定位规则存在漏洞。该漏洞可能允许未经身份验证的远程攻击者绕过 IP 地址限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software | 6.7.0 | - |
|
II. Public POCs for CVE-2023-20267
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2023-20267
请登录查看更多情报信息。
Vendor Advisories for CVE-2023-20267 (1)
Same Patch Batch · Cisco · 2023-11-01 · 32 CVEs total
| CVE-2023-20048 | 9.9 CRITICAL | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20175 | 8.8 HIGH | Cisco Identity Services Engine 安全漏洞 |
| CVE-2023-20083 | 8.6 HIGH | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20095 | 8.6 HIGH | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20244 | 8.6 HIGH | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20086 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco ASA 安全漏洞 |
| CVE-2023-20063 | 8.2 HIGH | Cisco Cisco Firepower Threat Defense Software and Cisco Firepower Management Center Code I |
| CVE-2023-20155 | 7.5 HIGH | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20219 | 7.2 HIGH | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20220 | 7.2 HIGH | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20042 | 6.8 MEDIUM | Cisco Firepower Threat Defense 跨站脚本漏洞 |
| CVE-2023-20114 | 6.5 MEDIUM | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20264 | 6.1 MEDIUM | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20206 | 6.1 MEDIUM | Cisco Firepower Management Center 安全漏洞 |
| CVE-2023-20170 | 6.0 MEDIUM | Cisco Identity Services Engine 安全漏洞 |
| CVE-2023-20071 | 5.8 MEDIUM | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20246 | 5.8 MEDIUM | Cisco Catalys 和 Integrated Services Virtual Router 安全漏洞 |
| CVE-2023-20270 | 5.8 MEDIUM | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20245 | 5.8 MEDIUM | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2023-20255 | 5.3 MEDIUM | Cisco Meeting Server 安全漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cisco Firepower Threat Defense Software
-
CVE-2025-20268
Cisco Secure Firewall Threat Defense Software Geolocation Re -
CVE-2025-20222
Cisco Adaptive Security Appliance Software and Firepower Thr -
CVE-2025-20217
Cisco Firepower Threat Defense Intrusion Detection Denial of -
CVE-2021-1494
Snort 安全漏洞 -
CVE-2021-34753
Cisco Firepower Threat Defense Ethernet Industrial Protocol
Same vendor: Cisco
-
CVE-2026-76504
Cisco Catalyst SD-WAN Manager System Account Authorization B -
CVE-2026-76426
Cisco ISE REST API SQL Injection Vulnerability -
CVE-2026-20121
CIsco FTD Bypass Access List -
CVE-2026-76431
Cisco Identity Services Engine Arbitrary File Deletion Vulne -
CVE-2026-76427
Cisco ISE XML External Entity Injection Vulnerability
Same weakness: CWE-284
-
CVE-2026-102795
Apache Traffic Server: SNI to Host header matching policy is -
CVE-2026-63045
Apache HTTP Server: mod_proxy_ftp PASV address handling -
CVE-2026-76142
Genians, Inc. Genian NAC/ZTNA Improper Access Control on the -
CVE-2026-103534
David-Crty databasement Snapshot Model snapshots SnapshotPol -
CVE-2026-102132
Kiteworks Core Privilege Escalation through Improper Access
V. Comments for CVE-2023-20267
No comments yet