{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-49079", "ASSIGNER": "security-advisories@github.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "Misskey is an open source, decentralized social media platform. Misskey's missing signature validation allows arbitrary users to impersonate any remote user. This issue has been patched in version 2023.11.1-beta.1." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-347: Improper Verification of Cryptographic Signature", "cweId": "CWE-347" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "misskey-dev", "product": { "product_data": [ { "product_name": "misskey", "version": { "version_data": [ { "version_affected": "=", "version_value": "< 2023.11.1-beta.1" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgc", "refsource": "MISC", "name": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgc" } ] }, "source": { "advisory": "GHSA-3f39-6537-3cgc", "discovery": "UNKNOWN" }, "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1" } ] } }