Security advisory

{
  "id": "a8f165cd9f31f8b244d8e5a02e0ed2ee195527869429cfbb3b41e0c036a0e302",
  "url": "https://osv.dev/vulnerability/CVE-2020-22741",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-22741",
    "summary": "An issue was discovered in Xuperchain 3.6.0 that allows for attackers to recover any arbitrary users' private key after obtaining the partial signature in multisignature.",
    "evidence": "osv:CVE-2020-22741",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-22741",
      "aliases": [
        "CVE-2020-22741"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/xuperchain/xuperchain",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6b2877f27a4017e1dc75fb69cedeb62f2ec9c3ed"
                },
                {
                  "last_affected": "6b2877f27a4017e1dc75fb69cedeb62f2ec9c3ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:baidu:xuperchain:3.6.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.6.0"
                      },
                      {
                        "last_affected": "3.6.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.6.0",
            "v3.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-22741.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:15.032984081Z",
      "provider": "osv",
      "references": [
        "https://github.com/xuperchain/xuperchain/issues/782"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-22741",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383496,
  "published_at": "2021-07-19T19:15:07.957+00:00"
}