{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.1.0"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "1.2"
              },
              {
                "fixed": "2.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8d9204a4b4c6016fa6b36513a46502689d6a45c1"
            }
          ],
          "repo": "https://github.com/apache/logging-log4j2",
          "type": "GIT"
        },
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.2.18.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "527f5374efd3c534b8aae7c133898019182e9f99"
            }
          ],
          "repo": "https://github.com/qos-ch/reload4j",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.",
  "id": "CVE-2020-9493",
  "modified": "2026-04-01T23:10:24.882865801Z",
  "published": "2021-06-16T08:15:06.577Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3E"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2021/06/16/1"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2022/01/18/5"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.openwall.com/lists/oss-security/2021/06/16/1"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}