{ "containers": { "cna": { "affected": [ { "product": "discourse", "vendor": "discourse", "versions": [ { "status": "affected", "version": "< 2.7.12" }, { "status": "affected", "version": ">= 2.8.0.beta, < 2.8.0.beta10" } ] } ], "descriptions": [ { "lang": "en", "value": "Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the `/message-bus/_diagnostics` path. The impact of this vulnerability is greater on multisite Discourse instances (where multiple forums are served from a single application server) where any admin user on any of the forums are able to visit the `/message-bus/_diagnostics` path. The problem has been patched. Please upgrade to 2.8.0.beta10 or 2.7.12. No workarounds for this issue exist." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-01-04T19:35:11.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-59jr-pj65-qmvr" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/discourse/discourse/commit/7a8ec129fb54f188b2da6588c9d24d3a36eb0d39" } ], "source": { "advisory": "GHSA-59jr-pj65-qmvr", "discovery": "UNKNOWN" }, "title": "Denial of Service in discourse", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-43850", "STATE": "PUBLIC", "TITLE": "Denial of Service in discourse" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "discourse", "version": { "version_data": [ { "version_value": "< 2.7.12" }, { "version_value": ">= 2.8.0.beta, < 2.8.0.beta10" } ] } } ] }, "vendor_name": "discourse" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Discourse is an open source platform for community discussion. 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