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CVE-2019-15584

Estado: ModificadaMedia (6.5)—

Se presenta una denegación de servicio en gitlab versiones anteriores a v12.3.2, versiones anteriores a v12.2.6 y versiones anteriores a v12.1.10, que permitiría a un atacante omitir la comprobación de entrada en los campos markdown para suspender la página afectada.

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)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-15584",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "GitLab CE/EE",
          "versions": [
            {
              "status": "affected",
              "version": "12.3.2, 12.2.6, and 12.1.10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-20T22:15:11.473",
  "references": [
    {
      "url": "https://hackerone.com/reports/670572",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/670572",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service exists in gitlab <v12.3.2, <v12.2.6, and <v12.1.10 that would let an attacker bypass input validation in markdown fields take down the affected page."
    },
    {
      "lang": "es",
      "value": "Se presenta una denegación de servicio en gitlab versiones anteriores a v12.3.2, versiones anteriores a v12.2.6 y versiones anteriores a v12.1.10, que permitiría a un atacante omitir la comprobación de entrada en los campos markdown para suspender la página afectada."
    }
  ],
  "lastModified": "2026-06-17T02:20:41.443",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB2637E9-3EAC-4CC2-A614-E6BF2564484B",
              "versionEndExcluding": "12.1.10"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "308ED5C4-D836-4541-A789-DD76A8C61EE5",
              "versionEndExcluding": "12.1.10"
            },
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              "vulnerable": true,
              "matchCriteriaId": "ABCEAA2E-75C8-426B-8EAA-52D3F78FB2A1",
              "versionEndExcluding": "12.2.6",
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            },
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              "matchCriteriaId": "AF5AC653-CE12-4759-B07A-04C20B9EBA7B",
              "versionEndExcluding": "12.2.6",
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            },
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              "matchCriteriaId": "5BB337AA-1FBB-4BEF-9652-F462CEC4BE71",
              "versionEndExcluding": "12.3.2",
              "versionStartIncluding": "12.3.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
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              "versionEndExcluding": "12.3.2",
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          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}