Security advisory

{
  "id": "b401f0c7ae9e71a77d4ee19746a54e5105f83053aacc7f46777bb96a66e0d075",
  "url": "https://osv.dev/vulnerability/CVE-2021-42216",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-42216",
    "summary": "A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via VerificationController.php.",
    "evidence": "osv:CVE-2021-42216",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-42216",
      "aliases": [
        "CVE-2021-42216"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/anonaddy/anonaddy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "dd0ea08402b33373f78ca356c29ac59647bb270d"
                },
                {
                  "last_affected": "dd0ea08402b33373f78ca356c29ac59647bb270d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:anonaddy:anonaddy:0.8.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.8.5"
                      },
                      {
                        "last_affected": "0.8.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.8.5",
            "v0.8.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42216.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:01.555116370Z",
      "provider": "osv",
      "references": [
        "https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67",
        "https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515dd"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-42216",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386714,
  "published_at": "2021-12-15T18:15:07.73+00:00"
}