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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-25636

A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-25636
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:08 UTC · Revision 1

Source evidence

CVE-2020-25636

core-osv · Original source

Published 5 Oct 2020, 13:15 UTC

A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.

osv:CVE-2020-25636
Complete source record
{
  "id": "3aef9573df1d880755c16abea821ba2f574c40e8f25919bc733b7d4b1bdd4273",
  "url": "https://osv.dev/vulnerability/CVE-2020-25636",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-25636",
    "summary": "A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.",
    "evidence": "osv:CVE-2020-25636",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-25636",
      "aliases": [
        "CVE-2020-25636"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ansible/ansible",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0e68601002de5e4e0b06dde6a8f737ebd3312349"
                },
                {
                  "last_affected": "0e68601002de5e4e0b06dde6a8f737ebd3312349"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible:2.10.1:rc2:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.10.1-rc2"
                      },
                      {
                        "last_affected": "2.10.1-rc2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.10.1-rc2",
            "v2.10.1rc2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25636.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.882099670Z",
      "provider": "osv",
      "references": [
        "https://github.com/ansible-collections/community.aws/issues/221",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25636"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-25636",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431247,
  "published_at": "2020-10-05T13:15:13.49+00:00"
}