{"uuid": "ea6e32c2-e666-4e75-81fd-290e61ca9d7f", "vulnerability": {"vulnId": "CVE-2025-53521", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "ea6e32c2-e666-4e75-81fd-290e61ca9d7f"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-06-01T14:26:16+02:00"}, "timestamps": {"asserted_at": "2026-06-01T12:26:16+00:00", "recorded_at": "2026-10-02T07:08:31+00:00", "first_seen_at": "2026-06-01T12:26:16+00:00"}, "scope": {"notes": "BigIP APM Vulnerability | Affected: F5 / BIG-IP | CVSS: 9.3 (CRITICAL) | EPSS: 0.02295 | Used in malware: unknown | Listed 1 day ahead of CISA KEV | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "BigIP APM Vulnerability", "cve_id": "CVE-2025-53521", "vendor": "F5", "ghsa_id": null, "product": "BIG-IP", "added_date": "2026-06-01T12:26:16.067Z", "cvss_score": 9.3, "epss_score": 0.02295, "previous_ids": [], "cvss_severity": "CRITICAL", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": 0.82636, "used_in_malware": "unknown", "vulnerability_id": "CVE-2025-53521", "ahead_of_cisa_kev": {"unit": "day", "count": 1}, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2025-53521", "url": "https://www.cve.org/CVERecord?id=CVE-2025-53521"}, {"id": "previdian", "url": "https://previdian.com/CVE-2025-53521"}]}