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CVE-2019-10156

Estado: ModificadaMedia (5.4)—

A flaw was discovered in the way Ansible templating was implemented in versions before 2.6.18, 2.7.12 and 2.8.2, causing the possibility of information disclosure through unexpected variable substitution. By taking advantage of unintended variable substitution the content of any variable may be disclosed.

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)

Debian — Debian LinuxRedhat — AnsibleRedhat — Openstack

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-10156",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.6,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.1
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "Red Hat",
          "product": "ansible",
          "versions": [
            {
              "status": "affected",
              "version": "fixed in 2.6.18"
            },
            {
              "status": "affected",
              "version": "fixed in 2.7.12"
            },
            {
              "status": "affected",
              "version": "fixed in 2.8.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-30T23:15:12.043",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3744",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3789",
      "tags": [
        "Vendor Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10156",
      "tags": [
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        "Vendor Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/ansible/ansible/pull/57188",
      "tags": [
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      "source": "secalert@redhat.com"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00016.html",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00023.html",
      "tags": [
        "Mailing List",
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      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.debian.org/security/2021/dsa-4950",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3744",
      "tags": [
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    },
    {
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      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10156",
      "tags": [
        "Issue Tracking",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ansible/ansible/pull/57188",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00016.html",
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    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00023.html",
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        "Third Party Advisory"
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    },
    {
      "url": "https://www.debian.org/security/2021/dsa-4950",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was discovered in the way Ansible templating was implemented in versions before 2.6.18, 2.7.12 and 2.8.2, causing the possibility of information disclosure through unexpected variable substitution. By taking advantage of unintended variable substitution the content of any variable may be disclosed."
    },
    {
      "lang": "es",
      "value": "Se detectó un fallo en la manera en que fueron implementadas las plantillas de Ansible en versiones anteriores a 2.6.18, 2.7.12 y 2.8.2, causando la posibilidad de revelación de información mediante la sustitución inesperada de variables. Tomando ventaja de la sustitución involuntaria de variables, se puede divulgar el contenido de cualquier variable."
    }
  ],
  "lastModified": "2026-06-17T02:10:22.473",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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              "versionEndExcluding": "2.6.18"
            },
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              "vulnerable": true,
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              "versionEndExcluding": "2.7.12",
              "versionStartIncluding": "2.7.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1613F864-4ABF-4523-B3E1-F5BB3D3E6358",
              "versionEndExcluding": "2.8.2",
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            }
          ],
          "operator": "OR"
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    {
      "nodes": [
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          "cpeMatch": [
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            },
            {
              "criteria": "cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*",
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    {
      "nodes": [
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          "cpeMatch": [
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              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
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          "operator": "OR"
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  "sourceIdentifier": "secalert@redhat.com"
}