{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-29432",
        "STATE": "PUBLIC",
        "TITLE": "Malicious users could control the content of invitation emails"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "sydent",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 2.3.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "matrix-org"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://pypi.org/project/matrix-sydent/",
                "refsource": "MISC",
                "url": "https://pypi.org/project/matrix-sydent/"
            },
            {
                "name": "https://github.com/matrix-org/sydent/releases/tag/v2.3.0",
                "refsource": "MISC",
                "url": "https://github.com/matrix-org/sydent/releases/tag/v2.3.0"
            },
            {
                "name": "https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx",
                "refsource": "CONFIRM",
                "url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx"
            },
            {
                "name": "https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42",
                "refsource": "MISC",
                "url": "https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-mh74-4m5g-fcjx",
        "discovery": "UNKNOWN"
    }
}