{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:zammad:zammad:5.3.0:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "5.3.0"
              },
              {
                "last_affected": "5.3.0"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "0266d1733788c637012e38fc8c6de908d37174be"
            },
            {
              "last_affected": "0266d1733788c637012e38fc8c6de908d37174be"
            }
          ],
          "repo": "https://github.com/zammad/zammad",
          "type": "GIT"
        }
      ],
      "versions": [
        "5.3.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48021.json"
  },
  "details": "A vulnerability in Zammad v5.3.0 allows attackers to execute arbitrary code or escalate privileges via a crafted message sent to the server.",
  "id": "CVE-2022-48021",
  "modified": "2026-07-08T05:36:52.183188264Z",
  "published": "2023-02-03T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48021.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48021"
    },
    {
      "type": "ADVISORY",
      "url": "https://zammad.com/de/advisories/zaa-2022-11"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}