{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu16.04els/vex/2021/cve-2021-3583-els_os-ubuntu16_04els.json"
      }
    ],
    "title": "Security update on CVE-2021-3583",
    "tracking": {
      "current_release_date": "2025-12-23T22:15:38Z",
      "generator": {
        "date": "2025-12-23T22:15:38Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2021-3583-ELS_OS-UBUNTU16.04ELS",
      "initial_release_date": "2021-09-22T12:15:00Z",
      "revision_history": [
        {
          "date": "2021-09-22T12:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-05-28T17:37:36Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T22:15:38Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 16.04",
                "product": {
                  "name": "Ubuntu 16.04",
                  "product_id": "Ubuntu-16",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all",
                "product": {
                  "name": "ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all",
                  "product_id": "ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/ansible@2.1.1.0-1~ubuntu16.04.1%2Btuxcare.els11?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all as a component of Ubuntu 16.04",
          "product_id": "Ubuntu-16:ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all"
        },
        "product_reference": "ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all",
        "relates_to_product_reference": "Ubuntu-16"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-3583",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Ansible, where a user's controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection, which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Ubuntu-16:ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2021-3583"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=1968412",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1968412"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html",
          "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html"
        }
      ],
      "release_date": "2021-09-22T12:15:00",
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL_ACCESS",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 3.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Ubuntu-16:ansible-0:2.1.1.0-1~ubuntu16.04.1+tuxcare.els11.all"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "High"
        }
      ]
    }
  ]
}