BREW-ANSIBLE@9-CVE-2021-20191 (GHSA-8F4M-HCCC-8QPH)

Vulnerability from osv_homebrew – Published: 2026-08-13 16:35 – Updated: 2026-09-09 23:41 – Source website
VLAI
Summary
Insertion of Sensitive Information into Log File in ansible
Details

A flaw was found in ansible. Credentials, such as secrets, are being disclosed in console log by default and not protected by no_log feature when using those modules. An attacker can take advantage of this information to steal those credentials. The highest threat from this vulnerability is to data confidentiality.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2.10.7"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "ansible@9",
        "purl": "pkg:brew/ansible%409"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.13.0_4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/ansible@9.13.0",
        "name": "ansible",
        "strategy": "registry",
        "subject_version": "9.13.0"
      },
      {
        "ecosystem": "Debian",
        "key": "Debian/ansible",
        "name": "ansible",
        "strategy": "distro"
      },
      {
        "ecosystem": "PyPI",
        "key": "upstream:pkg:pypi/ansible@9.13.0",
        "name": "ansible",
        "strategy": "distro",
        "subject_version": "9.13.0"
      },
      {
        "ecosystem": "Ubuntu",
        "key": "Ubuntu/ansible",
        "name": "ansible",
        "strategy": "distro"
      }
    ]
  },
  "details": "A flaw was found in ansible. Credentials, such as secrets, are being disclosed in console log by default and not protected by no_log feature when using those modules. An attacker can take advantage of this information to steal those credentials. The highest threat from this vulnerability is to data confidentiality.",
  "id": "BREW-ansible@9-CVE-2021-20191",
  "modified": "2026-09-09T23:41:06Z",
  "published": "2026-08-13T16:35:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20191"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ansible/ansible/pull/73488"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ansible/ansible/pull/73489"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ansible/ansible/commit/cc82d986c40328d4ae81298a9d287c95a6326bb0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ansible/ansible/commit/d74a1b1d1325af2a24848044cf2858987f5a3ecc"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/cve-2021-20191"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1916813"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-8f4m-hccc-8qph"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ansible/ansible"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2021-124.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00018.html"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Insertion of Sensitive Information into Log File in ansible",
  "upstream": [
    "GHSA-8f4m-hccc-8qph",
    "CVE-2021-20191",
    "PYSEC-2021-124"
  ]
}



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