{"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", "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. 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."}]}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-59jr-pj65-qmvr", "refsource": "CONFIRM", "url": "https://github.com/discourse/discourse/security/advisories/GHSA-59jr-pj65-qmvr"}, {"name": "https://github.com/discourse/discourse/commit/7a8ec129fb54f188b2da6588c9d24d3a36eb0d39", "refsource": "MISC", "url": "https://github.com/discourse/discourse/commit/7a8ec129fb54f188b2da6588c9d24d3a36eb0d39"}]}, "source": {"advisory": "GHSA-59jr-pj65-qmvr", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-43850", "datePublished": "2022-01-04T19:35:11", "dateReserved": "2021-11-16T00:00:00", "dateUpdated": "2022-01-04T19:35:11", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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