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CVE-2019-19634

Estado: ModificadaCrítica (9.8)—

class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to CVE-2019-19576.

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 (2)

Joomlaworks — K2Verot Project — Verot

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-19634",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-17T18:15:14.870",
  "references": [
    {
      "url": "https://github.com/jra89/CVE-2019-19634",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/verot/class.upload.php/blob/2.0.4/src/class.upload.php#L3068",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://medium.com/%40jra8908/cve-2019-19634-arbitrary-file-upload-in-class-upload-php-ccaf9e13875e",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/jra89/CVE-2019-19634",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/verot/class.upload.php/blob/2.0.4/src/class.upload.php#L3068",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://medium.com/%40jra8908/cve-2019-19634-arbitrary-file-upload-in-class-upload-php-ccaf9e13875e",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to CVE-2019-19576."
    },
    {
      "lang": "es",
      "value": "El archivo class.upload.php en verot.net class.upload versiones hasta la versión  1.0.3 y versiones 2.x hasta 2.0.4, como es usado en la extensión K2 para Joomla! y otros productos, omite .pht del conjunto de extensiones de archivo peligrosas, un problema similar al CVE-2019-19576."
    }
  ],
  "lastModified": "2026-06-26T14:53:03.707",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:verot_project:verot:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A8F26FB9-CDF6-483C-9E4C-501DA3FC14F8",
              "versionEndExcluding": "1.0.3"
            },
            {
              "criteria": "cpe:2.3:a:verot_project:verot:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "496BFED6-1C37-4826-B1B9-6CA8F7E034FF",
              "versionEndExcluding": "2.0.4",
              "versionStartIncluding": "2.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\\!:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DDE7FF4A-3CDD-4930-86A6-0D7D0747497A",
              "versionEndIncluding": "2.10.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}