Security advisory

{
  "id": "b508880262d6fa1392133e3b501a2b1c115243e1edd20e2700dee50bff262bec",
  "url": "https://osv.dev/vulnerability/CVE-2020-11090",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-11090",
    "summary": "In Indy Node 1.12.2, there is an Uncontrolled Resource Consumption vulnerability. Indy Node has a bug in TAA handling code. The current primary can be crashed with a malformed transaction from a client, which leads to a view change. Repeated rapid view changes have the potential of bringing down the network. This is fixed in version 1.12.3.",
    "evidence": "osv:CVE-2020-11090",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-11090",
      "aliases": [
        "CVE-2020-11090",
        "GHSA-3gw4-m5w7-v89c",
        "PYSEC-2020-47"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hyperledger-indy/indy-node",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9dfda33b9d619871962a131a5f8c7d72edf61f2a"
                },
                {
                  "last_affected": "9dfda33b9d619871962a131a5f8c7d72edf61f2a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:indy-node:1.12.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.2"
                      },
                      {
                        "last_affected": "1.12.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.12.2",
            "v1.12.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11090.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:46.005572995Z",
      "provider": "osv",
      "references": [
        "https://github.com/hyperledger/indy-node/blob/master/CHANGELOG.md#1123",
        "https://github.com/hyperledger/indy-node/security/advisories/GHSA-3gw4-m5w7-v89c",
        "https://pypi.org/project/indy-node/1.12.3/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-11090",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382900,
  "published_at": "2020-06-11T00:15:22.443+00:00"
}