{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "dbeb87afefdb63de2f4cff69b6f10c5965d14b54"
            }
          ],
          "repo": "https://github.com/cvandeplas/pystemon",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:pystemon_project:pystemon:*:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "fixed": "2021-02-13"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "pystemon_project:pystemon"
      },
      {
        "extracted_events": [
          {
            "fixed": "2021-02-13"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.",
  "id": "CVE-2021-27213",
  "modified": "2026-07-08T05:36:59.675811676Z",
  "published": "2021-02-14T04:15:12.837Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/cvandeplas/pystemon/commit/dbeb87afefdb63de2f4cff69b6f10c5965d14b54"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.huntr.dev/bounties/1-other-pystemon/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}