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CVE-2024-21499

Estado: AnalizadaMedia (4.3)—

All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Greenpau — Caddy-security

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-21499",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21499",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-20T17:02:34.403436Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "report@snyk.io",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "report@snyk.io",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "github.com/greenpau/caddy-security",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "*",
              "versionType": "semver"
            }
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  ],
  "published": "2024-02-17T05:15:10.400",
  "references": [
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      "url": "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/",
      "tags": [
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      ],
      "source": "report@snyk.io"
    },
    {
      "url": "https://github.com/greenpau/caddy-security/issues/270",
      "tags": [
        "Issue Tracking"
      ],
      "source": "report@snyk.io"
    },
    {
      "url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249863",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "report@snyk.io"
    },
    {
      "url": "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://github.com/greenpau/caddy-security/issues/270",
      "tags": [
        "Issue Tracking"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249863",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "report@snyk.io",
      "description": [
        {
          "lang": "en",
          "value": "CWE-644"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-116"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS."
    },
    {
      "lang": "es",
      "value": "Todas las versiones del paquete github.com/greenpau/caddy-security son vulnerables a la inyección de encabezado HTTP a través del encabezado X-Forwarded-Proto debido a la redirección al protocolo inyectado. La explotación de esta vulnerabilidad podría provocar la elusión de los mecanismos de seguridad o confusión en el manejo de TLS."
    }
  ],
  "lastModified": "2026-06-17T07:09:37.377",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:greenpau:caddy-security:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DC59AC36-173D-4F24-9F39-50F992A248B8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "report@snyk.io"
}