fkie_cve-2025-55740
Vulnerability from fkie_nvd
Published
2025-08-19 20:15
Modified
2025-08-20 14:40
Summary
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.
Impacted products
Vendor Product Version



{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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\nconfig.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."
    },
    {
      "lang": "es",
      "value": "nginx-defender es un firewall de aplicaciones web (WAF) de alto rendimiento y nivel empresarial, y un sistema de detecci\u00f3n de amenazas dise\u00f1ado para infraestructuras web modernas. Esta vulnerabilidad de configuraci\u00f3n afecta las implementaciones de nginx-defender. Los archivos de configuraci\u00f3n de ejemplo config.yaml y docker-compose.yml contienen credenciales predeterminadas (default_password: \"change_me_please\", GF_SECURITY_ADMIN_PASSWORD=admin123). Si los usuarios implementan nginx-defender sin cambiar estas credenciales predeterminadas, los atacantes con acceso a la red podr\u00edan obtener control administrativo, evadiendo las protecciones de seguridad. El problema se soluciona en la versi\u00f3n 1.5.0 y posteriores."
    }
  ],
  "id": "CVE-2025-55740",
  "lastModified": "2025-08-20T14:40:17.713",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-19T20:15:35.467",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Anipaleja/nginx-defender/security/advisories/GHSA-pr72-8fxw-xx22"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1392"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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