{"uuid": "d325c7a4-bed7-4a7f-97c7-150cdd78c4e8", "vulnerability": {"vulnId": "CVE-2021-42567", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "d325c7a4-bed7-4a7f-97c7-150cdd78c4e8"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-12-07T21:10:49+00:00"}, "timestamps": {"asserted_at": "2021-12-07T21:10:49+00:00", "recorded_at": "2026-11-04T13:00:01+00:00", "first_seen_at": "2021-12-07T21:10:49+00:00"}, "scope": {"notes": "Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints. | Affected: Apereo / CAS | CVSS: 6.1 (MEDIUM) | EPSS: 0.08191 | 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": "Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.", "cve_id": "CVE-2021-42567", "vendor": "Apereo", "ghsa_id": "GHSA-GFHX-JJWQ-63GV", "product": "CAS", "added_date": "2021-12-07T21:10:49.000Z", "cvss_score": 6.1, "epss_score": 0.08191, "previous_ids": [], "cvss_severity": "MEDIUM", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": 0.94878, "used_in_malware": "unknown", "vulnerability_id": "CVE-2021-42567", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": true}}], "references": [{"id": "CVE-2021-42567", "url": "https://www.cve.org/CVERecord?id=CVE-2021-42567"}, {"id": "GHSA-GFHX-JJWQ-63GV", "url": "https://github.com/advisories/GHSA-GFHX-JJWQ-63GV"}, {"id": "previdian", "url": "https://previdian.com/CVE-2021-42567"}]}