GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/43500?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/43500?format=api",
    "vulnerability_id": "VCID-958z-dzyk-xuf1",
    "summary": "Moodle vulnerable to Exposure of Sensitive Information to an Unauthorized Actor\nlib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send \"Cache-Control: private\" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.",
    "aliases": [
        {
            "alias": "CVE-2013-4522"
        },
        {
            "alias": "GHSA-vm9c-39jx-q45w"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62393?format=api",
            "purl": "pkg:composer/moodle/moodle@2.3.10",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2s6b-tp6p-gue1"
                },
                {
                    "vulnerability": "VCID-37pj-u3gh-n7fd"
                },
                {
                    "vulnerability": "VCID-65y9-9ur2-pugc"
                },
                {
                    "vulnerability": "VCID-83kb-4mk9-t7ge"
                },
                {
                    "vulnerability": "VCID-a6pb-47tu-afcg"
                },
                {
                    "vulnerability": "VCID-ajkr-fxa1-mkhk"
                },
                {
                    "vulnerability": "VCID-an53-nu91-k3d7"
                },
                {
                    "vulnerability": "VCID-bjnq-q2nd-1khp"
                },
                {
                    "vulnerability": "VCID-duna-st9c-mqbk"
                },
                {
                    "vulnerability": "VCID-eaqp-7abt-6kg9"
                },
                {
                    "vulnerability": "VCID-eu27-a3px-87ed"
                },
                {
                    "vulnerability": "VCID-fsex-f512-pudv"
                },
                {
                    "vulnerability": "VCID-jcq6-btgz-fkf6"
                },
                {
                    "vulnerability": "VCID-k1bh-ymgt-e7cd"
                },
                {
                    "vulnerability": "VCID-k6pw-51st-b3d2"
                },
                {
                    "vulnerability": "VCID-k73h-z6j8-gkgz"
                },
                {
                    "vulnerability": "VCID-m3np-aebb-8qaa"
                },
                {
                    "vulnerability": "VCID-m4zv-e3dn-budf"
                },
                {
                    "vulnerability": "VCID-mkfz-e1ft-2bcw"
                },
                {
                    "vulnerability": "VCID-nntc-dsz1-e3fp"
                },
                {
                    "vulnerability": "VCID-qhv1-wgpm-7fh6"
                },
                {
                    "vulnerability": "VCID-r6kn-b963-eqge"
                },
                {
                    "vulnerability": "VCID-s6uu-335k-yfbc"
                },
                {
                    "vulnerability": "VCID-vb67-yux5-ayhf"
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                {
                    "vulnerability": "VCID-vfp6-4h8n-bkax"
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                {
                    "vulnerability": "VCID-w9ca-exua-g7ar"
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                {
                    "vulnerability": "VCID-x7rg-rsb5-pya7"
                },
                {
                    "vulnerability": "VCID-xmm4-zw49-3feh"
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                {
                    "vulnerability": "VCID-y8up-cqtu-jkdw"
                },
                {
                    "vulnerability": "VCID-yghg-775s-vber"
                },
                {
                    "vulnerability": "VCID-zjrq-np3y-hua5"
                },
                {
                    "vulnerability": "VCID-zwkk-zazw-6fgg"
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            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.3.10"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62394?format=api",
            "purl": "pkg:composer/moodle/moodle@2.4.7",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2s6b-tp6p-gue1"
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                {
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                },
                {
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                {
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                {
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                {
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                {
                    "vulnerability": "VCID-fsex-f512-pudv"
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                {
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                },
                {
                    "vulnerability": "VCID-k1bh-ymgt-e7cd"
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                {
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                {
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                },
                {
                    "vulnerability": "VCID-m3np-aebb-8qaa"
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                {
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                },
                {
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                {
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                {
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                {
                    "vulnerability": "VCID-yghg-775s-vber"
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                {
                    "vulnerability": "VCID-zwkk-zazw-6fgg"
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            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.4.7"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62395?format=api",
            "purl": "pkg:composer/moodle/moodle@2.5.3",
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            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2s6b-tp6p-gue1"
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                {
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                {
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                {
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                {
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                {
                    "vulnerability": "VCID-eaqp-7abt-6kg9"
                },
                {
                    "vulnerability": "VCID-eu27-a3px-87ed"
                },
                {
                    "vulnerability": "VCID-fsex-f512-pudv"
                },
                {
                    "vulnerability": "VCID-jcq6-btgz-fkf6"
                },
                {
                    "vulnerability": "VCID-k1bh-ymgt-e7cd"
                },
                {
                    "vulnerability": "VCID-k6pw-51st-b3d2"
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                {
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                },
                {
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                },
                {
                    "vulnerability": "VCID-m4zv-e3dn-budf"
                },
                {
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                },
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                {
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                {
                    "vulnerability": "VCID-xmm4-zw49-3feh"
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                {
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                {
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        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62392?format=api",
            "purl": "pkg:composer/moodle/moodle@2.4.0-beta",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-958z-dzyk-xuf1"
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            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.4.0-beta"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/62104?format=api",
            "purl": "pkg:composer/moodle/moodle@2.5.0-beta",
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            "affected_by_vulnerabilities": [
                {
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                {
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                {
                    "vulnerability": "VCID-958z-dzyk-xuf1"
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                {
                    "vulnerability": "VCID-a6pb-47tu-afcg"
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                {
                    "vulnerability": "VCID-ajkr-fxa1-mkhk"
                },
                {
                    "vulnerability": "VCID-an53-nu91-k3d7"
                },
                {
                    "vulnerability": "VCID-bjnq-q2nd-1khp"
                },
                {
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                {
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                {
                    "vulnerability": "VCID-fsex-f512-pudv"
                },
                {
                    "vulnerability": "VCID-jcq6-btgz-fkf6"
                },
                {
                    "vulnerability": "VCID-k1bh-ymgt-e7cd"
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                {
                    "vulnerability": "VCID-k6pw-51st-b3d2"
                },
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                    "vulnerability": "VCID-k73h-z6j8-gkgz"
                },
                {
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                },
                {
                    "vulnerability": "VCID-m4zv-e3dn-budf"
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                {
                    "vulnerability": "VCID-mkfz-e1ft-2bcw"
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                {
                    "vulnerability": "VCID-nntc-dsz1-e3fp"
                },
                {
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                {
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                },
                {
                    "vulnerability": "VCID-r6kn-b963-eqge"
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                {
                    "vulnerability": "VCID-s6uu-335k-yfbc"
                },
                {
                    "vulnerability": "VCID-vb67-yux5-ayhf"
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                {
                    "vulnerability": "VCID-vfp6-4h8n-bkax"
                },
                {
                    "vulnerability": "VCID-w9ca-exua-g7ar"
                },
                {
                    "vulnerability": "VCID-x7rg-rsb5-pya7"
                },
                {
                    "vulnerability": "VCID-xmm4-zw49-3feh"
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                {
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                {
                    "vulnerability": "VCID-yghg-775s-vber"
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                {
                    "vulnerability": "VCID-zjrq-np3y-hua5"
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                {
                    "vulnerability": "VCID-zwkk-zazw-6fgg"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.5.0-beta"
        }
    ],
    "references": [
        {
            "reference_url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2013/11/25/1",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://openwall.com/lists/oss-security/2013/11/25/1"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4522",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00283",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51911",
                    "published_at": "2026-06-04T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4522"
        },
        {
            "reference_url": "https://github.com/moodle/moodle",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle"
        },
        {
            "reference_url": "https://github.com/moodle/moodle/commit/d0041fb110201d3dc1a4546eca8b6108b440d1c5",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle/commit/d0041fb110201d3dc1a4546eca8b6108b440d1c5"
        },
        {
            "reference_url": "https://moodle.org/mod/forum/discuss.php?d=244479",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://moodle.org/mod/forum/discuss.php?d=244479"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4522",
            "reference_id": "CVE-2013-4522",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.9",
                    "scoring_system": "cvssv4",
                    "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4522"
        },
        {
            "reference_url": "https://github.com/advisories/GHSA-vm9c-39jx-q45w",
            "reference_id": "GHSA-vm9c-39jx-q45w",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "cvssv3.1_qr",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/advisories/GHSA-vm9c-39jx-q45w"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 200,
            "name": "Exposure of Sensitive Information to an Unauthorized Actor",
            "description": "The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information."
        },
        {
            "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": "4.0 - 6.9",
    "exploitability": "0.5",
    "weighted_severity": "6.2",
    "risk_score": 3.1,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-958z-dzyk-xuf1"
}