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CVE-2019-19033

Estado: ModificadaCrítica (9.8)—

Jalios JCMS 10 allows attackers to access any part of the website and the WebDAV server with administrative privileges via a backdoor account, by using any username and the hardcoded dev password.

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)

Jalios — Jcms

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-19033",
  "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": "2019-11-21T18:15:12.070",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/155419/Jalios-JCMS-10-Backdoor-Account-Authentication-Bypass.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://community.jalios.com/jcms/frt_74021/en/blog-jalios-community",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/ricardojoserf/CVE-2019-19033",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/155419/Jalios-JCMS-10-Backdoor-Account-Authentication-Bypass.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://community.jalios.com/jcms/frt_74021/en/blog-jalios-community",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ricardojoserf/CVE-2019-19033",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jalios JCMS 10 allows attackers to access any part of the website and the WebDAV server with administrative privileges via a backdoor account, by using any username and the hardcoded dev password."
    },
    {
      "lang": "es",
      "value": "Jalios JCMS versión 10, permite a atacantes acceder a cualquier parte del sitio web y al servidor WebDAV con privilegios administrativos por medio de una cuenta backdoor, utilizando cualquier nombre de usuario y la contraseña dev embebida."
    }
  ],
  "lastModified": "2026-06-17T02:26:01.170",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jalios:jcms:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "342C6207-6697-4290-8DDC-2095C5CE9A36"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Jalios confirms this vulnerability which affects a plugin (extension) of Jalios JPlatform which must only be used in development environment : \nthe DevTools Plugin.\n\nAll our SaaS customer were already protected from this vulnerability as this plugin is not enabled in their production environment.\nAll our others customers were informed of the vulnerability as soon as the official fix was available.\n\nFixed versions of the DevTools plugin have officially been published for our customers :\nhttps://community.jalios.com/jcms/jc2_361389/en/dev-tools-plugin-8-1\n\nWe would like to thanks Ricardo José Ruiz Fernández for his responsible disclosure.",
      "lastModified": "2019-12-06T10:55:52.630",
      "organization": "Jalios"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}