Security advisory

{
  "id": "3d3e0bee677af928d62a25119fca3e420dfa962f0de59a06fbdfc93f49caf95f",
  "url": "https://osv.dev/vulnerability/CVE-2020-15131",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15131",
    "summary": "In SLP Validate (npm package slp-validate) before version 1.2.2, there is a vulnerability to false-positive validation outcomes for the NFT1 Child Genesis transaction type. A poorly implemented SLP wallet or opportunistic attacker could create a seemingly valid NFT1 child token without burning any of the NFT1 Group token type as is required by the NFT1 specification. This is fixed in version 1.2.2.",
    "evidence": "osv:CVE-2020-15131",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-15131",
      "aliases": [
        "CVE-2020-15131",
        "GHSA-6jmr-jfh7-xg3h"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/simpleledger/slp-validate.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f11c934e9cf1272c74f6ea2485d062e18b073fcb"
                },
                {
                  "fixed": "3963cf914afae69084059b82483da916d97af65c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:simpleledger:slp-validate:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.2.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3963cf914afae69084059b82483da916d97af65c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.2.1",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15131.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:52.174352600Z",
      "provider": "osv",
      "references": [
        "https://github.com/simpleledger/slp-validate.js/security/advisories/GHSA-6jmr-jfh7-xg3h",
        "https://github.com/simpleledger/slp-validate.js/commit/3963cf914afae69084059b82483da916d97af65c"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15131",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383051,
  "published_at": "2020-07-30T15:15:13.15+00:00"
}