Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/251479?format=api",
    "vulnerability_id": "VCID-v5ff-gwhq-sqbh",
    "summary": "Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect Check of a Function's Return Value.",
    "aliases": [
        {
            "alias": "CVE-2021-33622"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/939441?format=api",
            "purl": "pkg:deb/debian/singularity-container@3.9.5%2Bds1-2?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/singularity-container@3.9.5%252Bds1-2%3Fdistro=sid"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/939435?format=api",
            "purl": "pkg:deb/debian/singularity-container@4.1.5%2Bds4-1?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/singularity-container@4.1.5%252Bds4-1%3Fdistro=sid"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33622",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67778",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67812",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67831",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67811",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67862",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67876",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67899",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67886",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67849",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67885",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67898",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67879",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67909",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67913",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67888",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6793",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67971",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6794",
                    "published_at": "2026-05-11T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67965",
                    "published_at": "2026-05-12T12:55:00Z"
                },
                {
                    "value": "0.00547",
                    "scoring_system": "epss",
                    "scoring_elements": "0.68021",
                    "published_at": "2026-05-14T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33622"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990201",
            "reference_id": "990201",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990201"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-v5ff-gwhq-sqbh"
}