fkie_cve-2025-55740
Vulnerability from fkie_nvd
Published
2025-08-19 20:15
Modified
2025-08-20 14:40
Severity ?
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.
References
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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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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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