Security advisory

{
  "id": "f5d0daba33b3ec818ddee822ec03e79473ce57a76910fba52c873255b2dcf298",
  "url": "https://osv.dev/vulnerability/CVE-2021-42137",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-42137",
    "summary": "An issue was discovered in Zammad before 5.0.1. In some cases, there is improper enforcement of the privilege requirement for viewing a list of tickets that shows title, state, etc.",
    "evidence": "osv:CVE-2021-42137",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-42137",
      "aliases": [
        "CVE-2021-42137"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zammad/zammad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "fd99f097d5c2aac6d2badd0eaca8071e23be947e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.0.0",
            "3.7.0",
            "1.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42137.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:01.595414307Z",
      "provider": "osv",
      "references": [
        "https://zammad.com/en/advisories/zaa-2021-19"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-42137",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439823,
  "published_at": "2021-10-11T05:15:06.51+00:00"
}