{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Vaadin",
                    "vendor": "Vaadin",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "19.0.0"
                        },
                        {
                            "lessThan": "*",
                            "status": "affected",
                            "version": "15.0.0",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "flow-server",
                    "vendor": "Vaadin",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "6.0.0"
                        },
                        {
                            "lessThan": "*",
                            "status": "affected",
                            "version": "3.0.0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "This issue was discovered and responsibly reported by Xhelal Likaj."
                }
            ],
            "datePublic": "2021-03-19T00:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 4,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-208",
                            "description": "CWE-208 Information Exposure Through Timing Discrepancy",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-04-23T16:05:41.000Z",
                "orgId": "9e0f3122-90e9-42d5-93de-8c6b98deef7e",
                "shortName": "Vaadin"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://vaadin.com/security/cve-2021-31406"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/vaadin/flow/pull/10157"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Timing side channel vulnerability in endpoint request handler in Vaadin 15-19",
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "AKA": "",
                    "ASSIGNER": "security@vaadin.com",
                    "DATE_PUBLIC": "2021-03-19T09:17:00.000Z",
                    "ID": "CVE-2021-31406",
                    "STATE": "PUBLIC",
                    "TITLE": "Timing side channel vulnerability in endpoint request handler in Vaadin 15-19"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Vaadin",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "platform": "",
                                                        "version_affected": ">=",
                                                        "version_name": "",
                                                        "version_value": "15.0.0"
                                                    },
                                                    {
                                                        "platform": "",
                                                        "version_affected": "<=",
                                                        "version_name": "",
                                                        "version_value": "18.0.6 +1"
                                                    },
                                                    {
                                                        "platform": "",
                                                        "version_affected": "=",
                                                        "version_name": "",
                                                        "version_value": "19.0.0"
                                                    }
                                                ]
                                            }
                                        },
                                        {
                                            "product_name": "flow-server",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "platform": "",
                                                        "version_affected": ">=",
                                                        "version_name": "",
                                                        "version_value": "3.0.0"
                                                    },
                                                    {
                                                        "platform": "",
                                                        "version_affected": "<=",
                                                        "version_name": "",
                                                        "version_value": "5.0.3 +1"
                                                    },
                                                    {
                                                        "platform": "",
                                                        "version_affected": "=",
                                                        "version_name": "",
                                                        "version_value": "6.0.0"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "Vaadin"
                            }
                        ]
                    }
                },
                "configuration": [],
                "credit": [
                    {
                        "lang": "eng",
                        "value": "This issue was discovered and responsibly reported by Xhelal Likaj."
                    }
                ],
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack."
                        }
                    ]
                },
                "exploit": [],
                "generator": {
                    "engine": "Vulnogram 0.0.9"
                },
                "impact": {
                    "cvss": {
                        "attackComplexity": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 4,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
                        "version": "3.1"
                    }
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-208 Information Exposure Through Timing Discrepancy"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://vaadin.com/security/cve-2021-31406",
                            "refsource": "MISC",
                            "url": "https://vaadin.com/security/cve-2021-31406"
                        },
                        {
                            "name": "https://github.com/vaadin/flow/pull/10157",
                            "refsource": "MISC",
                            "url": "https://github.com/vaadin/flow/pull/10157"
                        }
                    ]
                },
                "solution": [],
                "source": {
                    "advisory": "",
                    "defect": [],
                    "discovery": "EXTERNAL"
                },
                "work_around": []
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T22:55:53.767Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://vaadin.com/security/cve-2021-31406"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/vaadin/flow/pull/10157"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "9e0f3122-90e9-42d5-93de-8c6b98deef7e",
        "assignerShortName": "Vaadin",
        "cveId": "CVE-2021-31406",
        "datePublished": "2021-04-23T16:05:41.375Z",
        "dateReserved": "2021-04-15T00:00:00.000Z",
        "dateUpdated": "2024-09-17T00:02:31.310Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}