Security advisory

{
  "id": "22fbea3134ee8c31f116c3ba081497bacefa37ab69e75a119b3395ce70624556",
  "url": "https://osv.dev/vulnerability/CVE-2021-20228",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-20228",
    "summary": "A flaw was found in the Ansible Engine 2.9.18, where sensitive info is not masked by default and is not protected by the no_log feature when using the sub-option feature of the basic.py module. This flaw allows an attacker to obtain sensitive information. The highest threat from this vulnerability is to confidentiality.",
    "evidence": "osv:CVE-2021-20228",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-20228",
      "aliases": [
        "CVE-2021-20228",
        "GHSA-5rrg-rr89-x9mv",
        "PYSEC-2021-1"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ansible/ansible",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4455e60166a8271771d96c24f47b6714130d200f"
                },
                {
                  "last_affected": "02572cb9ec94462261c035b33de506e4e505b3ca"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:2.9.18:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.9.18"
                      },
                      {
                        "last_affected": "2.9.18"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:2.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.9"
                      },
                      {
                        "last_affected": "2.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.9",
            "2.9.18"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20228.json"
          }
        }
      ],
      "modified": "2026-10-24T10:47:52.045960029Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2021/dsa-4950",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1925002",
        "https://github.com/ansible/ansible/pull/73487"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:redhat:ansible_automation_platform:1.2:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:ansible_automation_platform",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.2"
                  },
                  {
                    "last_affected": "1.2"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:ansible_engine",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.0"
                  },
                  {
                    "last_affected": "2.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:redhat:ansible_tower:3.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:ansible_tower",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0"
                  },
                  {
                    "last_affected": "3.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-20228",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441581,
  "published_at": "2021-04-29T16:15:09.737+00:00"
}