Security advisory

{
  "id": "75a50f06c713ba764e75e0cbdf05064ed7675e43a0977773a845638936e596d6",
  "url": "https://osv.dev/vulnerability/CVE-2021-28235",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28235",
    "summary": "Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.",
    "evidence": "osv:CVE-2021-28235",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-28235",
      "aliases": [
        "BIT-etcd-2021-28235",
        "CVE-2021-28235",
        "GHSA-gmph-wf7j-9gcm"
      ],
      "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/etcd-io/etcd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "18dfb9cca345bb2b2fbe73d5fc31028c2477bef1"
                },
                {
                  "last_affected": "18dfb9cca345bb2b2fbe73d5fc31028c2477bef1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:etcd:etcd:3.4.10:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.4.10"
                      },
                      {
                        "last_affected": "3.4.10"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.4.10",
            "v3.4.10"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28235.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:35.904023145Z",
      "provider": "osv",
      "references": [
        "https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj.png",
        "https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj_2.png",
        "https://github.com/etcd-io/etcd/pull/15648",
        "https://github.com/etcd-io/etcd"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-28235",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385695,
  "published_at": "2023-04-04T15:15:08.507+00:00"
}