{"uuid": "bc8da5fa-114e-46cf-83e2-f54af66e02a2", "vulnerability": {"vulnId": "CVE-2018-10657", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "bc8da5fa-114e-46cf-83e2-f54af66e02a2"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2018-05-02T18:00:00+02:00"}, "timestamps": {"asserted_at": "2018-05-02T16:00:00+00:00", "recorded_at": "2026-10-02T07:08:31+00:00", "first_seen_at": "2018-05-02T16:00:00+00:00"}, "scope": {"notes": "Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable,... | Affected: Matrix / Synapse | CVSS: 7.5 (HIGH) | EPSS: 0.01522 | Used in malware: unknown | Not yet in CISA KEV: True"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable,...", "cve_id": "CVE-2018-10657", "vendor": "Matrix", "ghsa_id": "GHSA-VMCC-4P4X-X7WG", "product": "Synapse", "added_date": "2018-05-02T16:00:00.000Z", "cvss_score": 7.5, "epss_score": 0.01522, "previous_ids": [], "cvss_severity": "HIGH", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": 0.73686, "used_in_malware": "unknown", "vulnerability_id": "CVE-2018-10657", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": true}}], "references": [{"id": "CVE-2018-10657", "url": "https://www.cve.org/CVERecord?id=CVE-2018-10657"}, {"id": "GHSA-VMCC-4P4X-X7WG", "url": "https://github.com/advisories/GHSA-VMCC-4P4X-X7WG"}, {"id": "previdian", "url": "https://previdian.com/CVE-2018-10657"}]}