Security advisory

{
  "id": "1f52de1b05a96ddb285a06196edd1e5807952fe41a2aaa17cef98df8a35b2785",
  "url": "https://osv.dev/vulnerability/CVE-2020-1340",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-1340",
    "summary": "A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.",
    "evidence": "osv:CVE-2020-1340",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-1340",
      "aliases": [
        "CVE-2020-1340"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nuget/nugetgallery",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6d955d13396271d3fe86d8b54790752177d59591"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:microsoft:nugetgallery:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2020.06.09"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2019.06.24",
            "v2019.01.14",
            "v2018.11.12",
            "v2018.10.20",
            "v2018.11.05",
            "v2018.08.20",
            "v2018.09.25",
            "v2018.08.08",
            "v2018.08.01",
            "v2018.07.16",
            "v2018.11.06",
            "v2018.05.21",
            "v2018.05.08",
            "v2018.02.22",
            "v2018.04.25",
            "v2018.04.05",
            "v2018.03.12",
            "v2018.01.29",
            "v2018.01.08",
            "v2017.11.27",
            "v2017.10.31",
            "v2017.10.19",
            "v2017.09.01",
            "v2017.08.14",
            "v2017.06.14",
            "v2017.04.28",
            "v2017.03.27",
            "v2017.03.22",
            "v2017.02.24",
            "v2017.01.30",
            "v2017.01.27",
            "v2017.01.17",
            "v2017.01",
            "v2016.12",
            "3.0.474-r-master-NuGet",
            "3.0.624-r-master",
            "3.0.623-r-master",
            "3.0.621-r-master-ApiApps",
            "3.0.610-r-master-ApiApps",
            "3.0.608-r-master-ApiApps",
            "3.0.606-r-master-ApiApps",
            "3.0.601-r-master-ApiApps",
            "3.0.269-r-develop-octov3-1-ApiApps",
            "3.0.578-r-master-NuGet",
            "3.0.576-r-master-NuGet",
            "3.0.570-r-master-NuGet",
            "3.0.554-r-master-NuGet",
            "3.0.543-r-master-NuGet",
            "3.0.540-r-master-NuGet",
            "3.0.525-r-master-NuGet",
            "3.0.524-r-master-NuGet",
            "3.0.514-r-master-NuGet",
            "3.0.510-r-master-NuGet",
            "3.0.507-r-master-NuGet",
            "3.0.506-r-master-NuGet",
            "3.0.501-r-master-NuGet",
            "3.0.490-r-master-NuGet",
            "3.0.434-r4-master-NuGet",
            "3.0.393-r-master",
            "iters/7/start",
            "iters/6/qa",
            "iters/6/start",
            "iters/5/qa",
            "iters/zold/2013Jul19",
            "iters/zold/2012Jun04@0000",
            "iters/zold/2.0",
            "iters/zold/1.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1340.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:45.899031978Z",
      "provider": "osv",
      "references": [
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1340"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-1340",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436240,
  "published_at": "2020-06-09T20:15:21.833+00:00"
}