Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35298?format=api",
    "vulnerability_id": "VCID-mzbm-q7ff-gfcy",
    "summary": "ymlref allows code injection.",
    "aliases": [
        {
            "alias": "CVE-2018-20133"
        },
        {
            "alias": "GHSA-8r8j-xvfj-36f9"
        },
        {
            "alias": "PYSEC-2018-103"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/229184?format=api",
            "purl": "pkg:pypi/ymlref@0.1.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-mzbm-q7ff-gfcy"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/ymlref@0.1.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/57171?format=api",
            "purl": "pkg:pypi/ymlref@0.1.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-mzbm-q7ff-gfcy"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/ymlref@0.1.1"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20133",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00513",
                    "scoring_system": "epss",
                    "scoring_elements": "0.66867",
                    "published_at": "2026-06-04T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20133"
        },
        {
            "reference_url": "https://github.com/advisories/GHSA-8r8j-xvfj-36f9",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/advisories/GHSA-8r8j-xvfj-36f9"
        },
        {
            "reference_url": "https://github.com/dexter2206/ymlref",
            "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": "9.3",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "value": "CRITICAL",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/dexter2206/ymlref"
        },
        {
            "reference_url": "https://github.com/dexter2206/ymlref/issues/2",
            "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": "9.3",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "value": "CRITICAL",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/dexter2206/ymlref/issues/2"
        },
        {
            "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/ymlref/PYSEC-2018-103.yaml",
            "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": "9.3",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "value": "CRITICAL",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/pypa/advisory-database/tree/main/vulns/ymlref/PYSEC-2018-103.yaml"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20133",
            "reference_id": "CVE-2018-20133",
            "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": "9.3",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "value": "CRITICAL",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20133"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 94,
            "name": "Improper Control of Generation of Code ('Code Injection')",
            "description": "The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        },
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        }
    ],
    "exploits": [],
    "severity_range_score": "9.0 - 10.0",
    "exploitability": "0.5",
    "weighted_severity": "9.0",
    "risk_score": 4.5,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mzbm-q7ff-gfcy"
}