{"uuid": "3fcddbd7-bfff-4e41-b452-04f1f9a934af", "vulnerability": {"vulnId": "CVE-2021-42321", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "3fcddbd7-bfff-4e41-b452-04f1f9a934af"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-11-17T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2021-11-17T00:00:00Z", "recorded_at": "2026-06-23T14:02:37Z", "first_seen_at": "2021-11-17T00:00:00Z"}, "scope": {"notes": "KEVIntel entry: Microsoft Exchange Server Remote Code Execution Vulnerability | Affected: Microsoft / Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2019 Cumulative Update 10, Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2019 Cumulative Update 11 | CVSS: 8.8 (HIGH) | 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 Remote Code Execution Vulnerability", "vendor": "Microsoft", "product": "Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2019 Cumulative Update 10, Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2019 Cumulative Update 11", "added_date": "2021-11-17T00:00:00.000Z", "cvss_score": 8.8, "epss_score": null, "cvss_severity": "HIGH", "epss_percentile": null, "used_in_malware": "yes", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2021-42321", "url": "https://www.cve.org/CVERecord?id=CVE-2021-42321"}, {"id": "kevintel", "url": "https://kevintel.com/vuln/CVE-2021-42321"}]}