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        "cveId": "CVE-2023-42451",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2023-09-08T20:57:45.573Z",
        "datePublished": "2023-09-19T15:56:46.962Z",
        "dateUpdated": "2024-09-24T20:36:19.326Z"
    },
    "containers": {
        "cna": {
            "title": "Mastodon Invalid Domain Name Normalization vulnerability",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "cweId": "CWE-706",
                            "lang": "en",
                            "description": "CWE-706: Use of Incorrectly-Resolved Name or Reference",
                            "type": "CWE"
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                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "version": "3.1"
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                }
            ],
            "references": [
                {
                    "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667",
                    "tags": [
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                    "url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667"
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                    "vendor": "mastodon",
                    "product": "mastodon",
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                            "version": "< 3.5.14",
                            "status": "affected"
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                            "version": ">= 4.0.0, < 4.0.10",
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            },
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                    "lang": "en",
                    "value": "Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue."
                }
            ],
            "source": {
                "advisory": "GHSA-v3xf-c9qf-j667",
                "discovery": "UNKNOWN"
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        "adp": [
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                    "dateUpdated": "2024-08-02T19:23:38.773Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667",
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                        "url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667"
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                        "url": "https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8"
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                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-09-24T20:35:55.298815Z",
                                "id": "CVE-2023-42451",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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}