Security advisory

{
  "id": "831e5f102c95acee4f5e89e05bc4f9481dc735edb25fb567f5bfd81a63edddc0",
  "url": "https://osv.dev/vulnerability/CVE-2020-7729",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-7729",
    "summary": "The package grunt before 1.3.0 are vulnerable to Arbitrary Code Execution due to the default usage of the function load() instead of its secure replacement safeLoad() of the package js-yaml inside grunt.file.readYAML.",
    "evidence": "osv:CVE-2020-7729",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-7729",
      "aliases": [
        "CVE-2020-7729",
        "GHSA-m5pj-vjjf-4m3h"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gruntjs/grunt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6f49017a394db9a7573ba402db87602e05fb9368"
                },
                {
                  "fixed": "e350cea1724eb3476464561a380fb6a64e61e4e7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gruntjs:grunt:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e350cea1724eb3476464561a380fb6a64e61e4e7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.1",
            "v1.2.0",
            "v1.1.0",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v1.0.0-rc1",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7729.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:24.512687459Z",
      "provider": "osv",
      "references": [
        "https://github.com/gruntjs/grunt/blob/master/lib/grunt/file.js%23L249",
        "https://lists.debian.org/debian-lts-announce/2020/09/msg00008.html",
        "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922",
        "https://usn.ubuntu.com/4595-1/",
        "https://github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7",
        "https://snyk.io/vuln/SNYK-JS-GRUNT-597546"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-7729",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385307,
  "published_at": "2020-09-03T09:15:10.36+00:00"
}