Package Instance

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{
    "url": "http://public2.vulnerablecode.io/api/packages/80429?format=api",
    "purl": "pkg:maven/com.vaadin/vaadin-server@18.0.0",
    "type": "maven",
    "namespace": "com.vaadin",
    "name": "vaadin-server",
    "version": "18.0.0",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": null,
    "latest_non_vulnerable_version": null,
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/54393?format=api",
            "vulnerability_id": "VCID-93dy-76qc-8fb7",
            "summary": "Insufficient Session Expiration\nAuthentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the user attempted to log out.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-31408",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00048",
                            "scoring_system": "epss",
                            "scoring_elements": "0.15139",
                            "published_at": "2026-06-04T12:55:00Z"
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                            "scoring_system": "epss",
                            "scoring_elements": "0.15225",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-31408"
                },
                {
                    "reference_url": "https://github.com/vaadin/flow/pull/10577",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
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                            "value": "6.3",
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                            "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"
                        },
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                    "reference_id": "CVE-2021-31408",
                    "reference_type": "",
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                        }
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                    "reference_type": "",
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                        },
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                            "scoring_elements": ""
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                    ],
                    "url": "https://vaadin.com/security/cve-2021-31408"
                },
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                    "reference_url": "https://github.com/advisories/GHSA-mr8h-j9cv-4m8h",
                    "reference_id": "GHSA-mr8h-j9cv-4m8h",
                    "reference_type": "",
                    "scores": [],
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                    "reference_id": "GHSA-mr8h-j9cv-4m8h",
                    "reference_type": "",
                    "scores": [
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                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/vaadin/platform/security/advisories/GHSA-mr8h-j9cv-4m8h"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/80488?format=api",
                    "purl": "pkg:maven/com.vaadin/vaadin-server@19.0.4",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/vaadin-server@19.0.4"
                }
            ],
            "aliases": [
                "CVE-2021-31408",
                "GHSA-mr8h-j9cv-4m8h"
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            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-93dy-76qc-8fb7"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "3.1",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/vaadin-server@18.0.0"
}