{"uuid": "3cbb3f39-d5ee-45e8-b7f2-eadac61a689c", "vulnerability": {"vulnId": "CVE-2021-31207", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "3cbb3f39-d5ee-45e8-b7f2-eadac61a689c"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-11-03T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2021-11-03T00:00:00Z", "recorded_at": "2026-06-19T12:44:49Z", "first_seen_at": "2021-11-03T00:00:00Z"}, "scope": {"notes": "KEVIntel entry: Microsoft Exchange Server Security Feature Bypass Vulnerability | Affected: Microsoft / Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Exchange Server 2019 Cumulative Update 8 | CVSS: 6.6 (MEDIUM) | Used in malware: yes | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "kevintel", "signal": "confirmed_compromise", "confidence": 0.7, "details": {"feed": "KEVIntel (kevintel.com)", "title": "Microsoft Exchange Server Security Feature Bypass Vulnerability", "vendor": "Microsoft", "product": "Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2016 Cumulative Update 19, Microsoft Exchange Server 2019 Cumulative Update 8", "added_date": "2021-11-03T00:00:00.000Z", "cvss_score": 6.6, "epss_score": null, "cvss_severity": "MEDIUM", "epss_percentile": null, "used_in_malware": "yes", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2021-31207", "url": "https://www.cve.org/CVERecord?id=CVE-2021-31207"}, {"id": "kevintel", "url": "https://kevintel.com/vuln/CVE-2021-31207"}]}