« Volver al listado

CVE-2021-29448

Estado: ModificadaAlta (8.8)—

Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.

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 (3)

Pi-hole — FtldnsPi-hole — Pi-holePi-hole — WEB Interface

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-29448",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 4.7,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 5.3,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "pi-hole",
          "product": "AdminLTE",
          "versions": [
            {
              "status": "affected",
              "version": "<= 5.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-15T16:15:14.033",
  "references": [
    {
      "url": "https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details."
    },
    {
      "lang": "es",
      "value": "Pi-hole es una aplicación de bloqueo de anuncios y rastreadores de Internet a nivel de red de Linux.&#xa0;El ataque XSS Almacenado se presenta en el portal de Administración de Pi-hole, que puede ser explotado por el actor malicioso con acceso de red al servidor DNS.&#xa0;Consulte el aviso de seguridad de GitHub al que se hace referencia para los detalles del parche"
    }
  ],
  "lastModified": "2026-06-17T03:47:39.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pi-hole:ftldns:5.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "58019EAF-690C-4C97-810A-9A8A4300B14A"
            },
            {
              "criteria": "cpe:2.3:a:pi-hole:pi-hole:5.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "62120E3C-0A70-43F9-A442-8F18B43169C9"
            },
            {
              "criteria": "cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8F0D090D-0C5F-476F-B857-10C7F5E29349",
              "versionEndExcluding": "5.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}