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I. Basic Information for CVE-2025-55740
Vulnerability Information

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Vulnerability Title
Default Credentials in nginx-defender Configuration Files
Source: NVD (National Vulnerability Database)
Vulnerability Description
nginx-defender is a high-performance, enterprise-grade Web Application Firewall (WAF) and threat detection system engineered for modern web infrastructure. This is a configuration vulnerability affecting nginx-defender deployments. Example configuration files config.yaml and docker-compose.yml contain default credentials (default_password: "change_me_please", GF_SECURITY_ADMIN_PASSWORD=admin123). If users deploy nginx-defender without changing these defaults, attackers with network access could gain administrative control, bypassing security protections. The issue is addressed in v1.5.0 and later.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1392
Source: NVD (National Vulnerability Database)
Vulnerability Title
nginx-defender 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nginx-defender是Anish Paleja个人开发者的一个轻量级的实时日志监控工具。 nginx-defender存在安全漏洞,该漏洞源于默认凭据可能导致绕过安全保护。
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
VendorProductAffected VersionsCPESubscribe
Anipalejanginx-defender < 1.5.0 -
II. Public POCs for CVE-2025-55740
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III. Intelligence Information for CVE-2025-55740
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