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    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for ansible is now available for Ansible Engine 2.9\n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Ansible is a simple model-driven configuration management, multi-node\ndeployment, and remote-task execution system. Ansible works over SSH and\ndoes not require any software or daemons to be installed on remote nodes.\nExtension modules can be written in any language and are transferred to\nmanaged machines automatically.\n\nThe following packages have been upgraded to a newer upstream version:\nansible (2.9.23)\n\nBug Fix(es):\n* CVE-2021-3583 ansible: Template Injection through yaml multi-line strings\nwith ansible facts used in template.\n\nSee:\nhttps://github.com/ansible/ansible/blob/v2.9.23/changelogs/CHANGELOG-v2.9.rst\nfor details on bug fixes in this release.",
        "title": "Details"
      },
      {
        "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 Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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        "summary": "https://access.redhat.com/errata/RHSA-2021:2663",
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2663.json"
      }
    ],
    "title": "Red Hat Security Advisory: Ansible security and bug fix update (2.9.23)",
    "tracking": {
      "current_release_date": "2026-06-26T18:29:32+00:00",
      "generator": {
        "date": "2026-06-26T18:29:32+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.2.6"
        }
      },
      "id": "RHSA-2021:2663",
      "initial_release_date": "2021-07-07T04:47:29+00:00",
      "revision_history": [
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          "date": "2021-07-07T04:47:29+00:00",
          "number": "1",
          "summary": "Initial version"
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        {
          "date": "2021-07-07T04:47:29+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2026-06-26T18:29:32+00:00",
          "number": "3",
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      "status": "final",
      "version": "3"
    }
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        },
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        "relates_to_product_reference": "8Base-Ansible-2.9"
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  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Joshua Makinen"
          ],
          "organization": "Zoom Video Communications"
        }
      ],
      "cve": "CVE-2021-3583",
      "cwe": {
        "id": "CWE-94",
        "name": "Improper Control of Generation of Code ('Code Injection')"
      },
      "discovery_date": "2021-06-07T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1968412"
        }
      ],
      "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": "summary",
          "text": "ansible: Template Injection through yaml multi-line strings with ansible facts used in template.",
          "title": "Vulnerability summary"
        },
        {
          "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": {
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          "7Server-Ansible-2.9:ansible-test-0:2.9.23-1.el7ae.noarch",
          "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.noarch",
          "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.src",
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        ]
      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-3583"
        },
        {
          "category": "external",
          "summary": "RHBZ#1968412",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1968412"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-3583",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-3583"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-3583",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3583"
        }
      ],
      "release_date": "2021-06-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-07-07T04:47:29+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "7Server-Ansible-2.9:ansible-test-0:2.9.23-1.el7ae.noarch",
            "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.noarch",
            "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.src",
            "8Base-Ansible-2.9:ansible-test-0:2.9.23-1.el8ae.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2663"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
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            "7Server-Ansible-2.9:ansible-0:2.9.23-1.el7ae.src",
            "7Server-Ansible-2.9:ansible-test-0:2.9.23-1.el7ae.noarch",
            "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.noarch",
            "8Base-Ansible-2.9:ansible-0:2.9.23-1.el8ae.src",
            "8Base-Ansible-2.9:ansible-test-0:2.9.23-1.el8ae.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "ansible: Template Injection through yaml multi-line strings with ansible facts used in template."
    }
  ]
}