cvelist/2020/5xxx/CVE-2020-5261.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-5261",
        "STATE": "PUBLIC",
        "TITLE": "Missing Token Replay Detection"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Saml2",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 2.5.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Sustainsys"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Saml2 Authentication services for ASP.NET (NuGet package Sustainsys.Saml2) before version 2.5.0 has a faulty implementation of Token Replay Detection. Token Replay Detection is an important defence in depth measure for Single Sign On solutions. The 2.5.0 version is patched."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-294: Authentication Bypass by Capture-replay"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/Sustainsys/Saml2/security/advisories/GHSA-g6j2-ch25-5mmv",
                "refsource": "CONFIRM",
                "url": "https://github.com/Sustainsys/Saml2/security/advisories/GHSA-g6j2-ch25-5mmv"
            },
            {
                "name": "https://github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241",
                "refsource": "MISC",
                "url": "https://github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241"
            },
            {
                "name": "https://github.com/Sustainsys/Saml2/issues/711",
                "refsource": "MISC",
                "url": "https://github.com/Sustainsys/Saml2/issues/711"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-g6j2-ch25-5mmv",
        "discovery": "UNKNOWN"
    }
}