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CVE-2020-10744

Estado: ModificadaMedia (5)—

An incomplete fix was found for the fix of the flaw CVE-2020-1733 ansible: insecure temporary directory when running become_user from become directive. The provided fix is insufficient to prevent the race condition on systems using ACLs and FUSE filesystems. Ansible Engine 2.7.18, 2.8.12, and 2.9.9 as well as previous versions are affected and Ansible Tower 3.4.5, 3.5.6 and 3.6.4 as well as previous versions are affected.

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)

Redhat — AnsibleRedhat — Ansible Tower

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-10744",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.7,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 1.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "Red Hat",
          "product": "ansible",
          "versions": [
            {
              "status": "affected",
              "version": "ansible-engine 2.7.18 and prior"
            },
            {
              "status": "affected",
              "version": "ansible-engine 2.8.12 and prior"
            },
            {
              "status": "affected",
              "version": "ansible-engine 2.9.9 and prior"
            },
            {
              "status": "affected",
              "version": "ansible-tower 3.4.5 and prior"
            },
            {
              "status": "affected",
              "version": "ansible-tower 3.5.6 and prior"
            },
            {
              "status": "affected",
              "version": "ansible-tower 3.6.4 and prior"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-15T14:15:11.700",
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10744",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10744",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-377"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An incomplete fix was found for the fix of the flaw CVE-2020-1733 ansible: insecure temporary directory when running become_user from become directive. The provided fix is insufficient to prevent the race condition on systems using ACLs and FUSE filesystems. Ansible Engine 2.7.18, 2.8.12, and 2.9.9 as well as previous versions are affected and Ansible Tower 3.4.5, 3.5.6 and 3.6.4 as well as previous versions are affected."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una corrección incompleta para la corrección del fallo de ansible CVE-2020-1733: un directorio temporal no seguro cuando se ejecuta become_user desde become directive. La corrección proporcionada no es suficiente para impedir una condición de carrera en sistemas que usan ACLs y sistemas de archivos FUSE. Ansible Engine versiones 2.7.18, 2.8.12, y 2.9.9 así como las versiones previas están afectadas y Ansible Tower versioes 3.4.5, 3.5.6 y 3.6.4 así como las versiones previas están afectadas."
    }
  ],
  "lastModified": "2026-06-17T02:48:21.850",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3F1AB041-8234-4A8B-BE31-49BCC28589F6",
              "versionEndIncluding": "2.7.18",
              "versionStartIncluding": "2.7.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6AC81D26-7550-439F-B243-5E1DEE4EE7B3",
              "versionEndIncluding": "2.8.12",
              "versionStartIncluding": "2.8.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5746BAA8-5284-4BE0-B43F-55EB7EA46151",
              "versionEndIncluding": "2.9.9",
              "versionStartIncluding": "2.9.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F5C0F920-A505-452D-AFAA-AE6C20FB25EF",
              "versionEndIncluding": "3.4.5",
              "versionStartIncluding": "3.4.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "38DE8041-5A20-41AA-83B5-61303E299204",
              "versionEndIncluding": "3.5.6",
              "versionStartIncluding": "3.5.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A4566CE-6A1C-470A-AA0E-98A859F9172F",
              "versionEndIncluding": "3.6.4",
              "versionStartIncluding": "3.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}