Security advisory

{
  "id": "84832f08291d860f3e47ccdfc740ece2a4cb34151e17cdabd95dccb1b38d6b9c",
  "url": "https://osv.dev/vulnerability/CVE-2020-27955",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-27955",
    "summary": "Git LFS 2.12.0 allows Remote Code Execution.",
    "evidence": "osv:CVE-2020-27955",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-27955",
      "aliases": [
        "BIT-git-lfs-2020-27955",
        "CVE-2020-27955",
        "GHSA-4g4p-42wc-9f3m"
      ],
      "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/git-lfs/git-lfs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "dad7b9e60de3c842f323d7215eb40c3dd2ca24d9"
                },
                {
                  "last_affected": "dad7b9e60de3c842f323d7215eb40c3dd2ca24d9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:git_large_file_storage_project:git_large_file_storage:2.12.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.12.0"
                      },
                      {
                        "last_affected": "2.12.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.12.0",
            "v2.12.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27955.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:02.408744202Z",
      "provider": "osv",
      "references": [
        "https://github.com/git-lfs/git-lfs/releases",
        "https://legalhackers.com",
        "https://exploitbox.io",
        "https://legalhackers.com/advisories/Git-LFS-RCE-Exploit-CVE-2020-27955.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-27955",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384157,
  "published_at": "2020-11-05T15:15:36.877+00:00"
}