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CVE-2021-4041

Estado: ModificadaAlta (7.8)—

A flaw was found in ansible-runner. An improper escaping of the shell command, while calling the ansible_runner.interface.run_command, can lead to parameters getting executed as host's shell command. A developer could unintentionally write code that gets executed in the host rather than the virtual environment.

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)

Redhat — Ansible Runner

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-4041",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "ansible-runner",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in ansible-runner 2.1.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-08-24T16:15:09.370",
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-4041",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2028074",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/ansible/ansible-runner/commit/3533f265f4349a3f2a0283158cd01b59a6bbc7bd",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-4041",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2028074",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ansible/ansible-runner/commit/3533f265f4349a3f2a0283158cd01b59a6bbc7bd",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-116"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in ansible-runner. An improper escaping of the shell command, while calling the ansible_runner.interface.run_command, can lead to parameters getting executed as host's shell command. A developer could unintentionally write code that gets executed in the host rather than the virtual environment."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en ansible-runner. Un escape inapropiado del comando shell, mientras es llamado a ansible_runner.interface.run_command, puede conllevar a que los parámetros sean ejecutados como el comando shell del host. Un desarrollador podría escribir involuntariamente código que es ejecutado en el host en lugar de en el entorno virtual."
    }
  ],
  "lastModified": "2026-06-17T04:18:56.453",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:ansible_runner:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A0CD1454-F8D9-4398-A693-7EDD8E78CF3D",
              "versionEndExcluding": "2.1.0"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_runner:2.1.0:alpha1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF2F5E46-5EE6-4480-989D-4FAE1339F755"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_runner:2.1.0:alpha2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "33D69031-082E-4C58-A4C6-DF4572F2960C"
            },
            {
              "criteria": "cpe:2.3:a:redhat:ansible_runner:2.1.0:beta1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8F62416A-386A-4093-91D0-A91C1BB067B1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}