Package Instance

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{
    "url": "http://public2.vulnerablecode.io/api/packages/260604?format=api",
    "purl": "pkg:npm/scratch-vm@0.1.0-prerelease.1507913582-prerelease.1507913596",
    "type": "npm",
    "namespace": "",
    "name": "scratch-vm",
    "version": "0.1.0-prerelease.1507913582-prerelease.1507913596",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "0.2.0-prerelease.20200714185213",
    "latest_non_vulnerable_version": "0.2.0-prerelease.20200714185213",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/52812?format=api",
            "vulnerability_id": "VCID-19qw-nw8m-huat",
            "summary": "Deserialization of Untrusted Data\nMIT Lifelong Kindergarten Scratch scratch-vm loads extension URLs from untrusted `project.json` files with certain `_` characters, resulting in remote code execution because the URL content is treated as a script and is executed as a worker. The responsible code is `getExtensionIdForOpcode` in `serialization/sb3.js`. The use of `_` is incompatible with a protection mechanism in older versions, in which URLs were split and consequently deserialization attacks were prevented.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-14000",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.06601",
                            "scoring_system": "epss",
                            "scoring_elements": "0.91341",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-14000"
                },
                {
                    "reference_url": "https://github.com/LLK/scratch-vm",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
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                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/LLK/scratch-vm"
                },
                {
                    "reference_url": "https://github.com/LLK/scratch-vm/pull/2476",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/LLK/scratch-vm/pull/2476"
                },
                {
                    "reference_url": "https://github.com/LLK/scratch-vm/pull/2476/commits/90b9da45f4084958535338d1c4d71a22d6136aab",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
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                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/LLK/scratch-vm/pull/2476/commits/90b9da45f4084958535338d1c4d71a22d6136aab"
                },
                {
                    "reference_url": "https://scratch.mit.edu/discuss/topic/422904/?page=1#post-4223443",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://scratch.mit.edu/discuss/topic/422904/?page=1#post-4223443"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14000",
                    "reference_id": "CVE-2020-14000",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14000"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/140383?format=api",
                    "purl": "pkg:npm/scratch-vm@0.2.0-prerelease.20200714185213",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/scratch-vm@0.2.0-prerelease.20200714185213"
                }
            ],
            "aliases": [
                "CVE-2020-14000",
                "GHSA-vc9j-fhvv-8vrf"
            ],
            "risk_score": null,
            "exploitability": null,
            "weighted_severity": null,
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-19qw-nw8m-huat"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/scratch-vm@0.1.0-prerelease.1507913582-prerelease.1507913596"
}