{"metadata": {"vulnerability": "cve-2021-3455", "count": 16, "kinds": {"milestone": 3, "sighting": 1, "kev": 0, "other": 12}}, "data": [{"timestamp": "2021-03-19T00:00:00Z", "date_only": false, "value": "2021-03-19T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2021-3455", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.x_legacyV4Record.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "gsd \u00b7 GSD-2021-3455", "record": "GSD-2021-3455", "field": "namespaces.cve.org.CVE_data_meta.DATE_PUBLIC", "linked_record": true}, {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2021-10-19T22:25:09Z", "date_only": false, "value": "2021-10-19T22:25:09.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-10-19T22:25:09.479Z", "date_only": false, "value": "2021-10-19T22:25:09.479Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-3455", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2021-10-19T23:15:00Z", "date_only": false, "value": "2021-10-19T23:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-3455", "record": "GSD-2021-3455", "field": "namespaces.nvd.nist.gov.publishedDate", "linked_record": true}, {"timestamp": "2021-10-19T23:15:07.587Z", "date_only": false, "value": "2021-10-19T23:15:07.587", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-3455", "record": "FKIE_CVE-2021-3455", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2021-10-20T02:33:36Z", "date_only": false, "value": "2021-10-20T02:33:36.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/30848", "record": "CVE-2021-3455", "field": "creation_timestamp", "uuid": "1b13247c-c3f8-46c4-9899-fbd18d5f3922", "content": "\u203c CVE-2021-3455 \u203c\n\nDisconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/30848", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2021-10-21T00:00:00Z", "date_only": true, "value": "2021-10-21", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2021-95619", "record": "CNVD-2021-95619", "field": "submitTime", "linked_record": true}, {"timestamp": "2021-10-26T17:28:00Z", "date_only": false, "value": "2021-10-26T17:28Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-3455", "record": "GSD-2021-3455", "field": "namespaces.nvd.nist.gov.lastModifiedDate", "linked_record": true}, {"timestamp": "2021-12-09T00:00:00Z", "date_only": true, "value": "2021-12-09", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2021-95619", "record": "CNVD-2021-95619", "field": "openTime", "linked_record": true}, {"timestamp": "2023-12-13T01:23:35.255Z", "date_only": false, "value": "2023-12-13T01:23:35.255981Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-3455", "record": "GSD-2021-3455", "field": "gsd.osvSchema.modified", "linked_record": true}, {"timestamp": "2024-08-03T16:53:17.699Z", "date_only": false, "value": "2024-08-03T16:53:17.699Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2021-3455", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-16T18:38:53.853Z", "date_only": false, "value": "2024-09-16T18:38:53.853Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2021-3455", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-06-17T04:05:08.280Z", "date_only": false, "value": "2026-06-17T04:05:08.280", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-3455", "record": "FKIE_CVE-2021-3455", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-15T07:56:00.317Z", "anchors": {"origin": {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2021-10-20T02:33:36Z", "date_only": false, "value": "2021-10-20T02:33:36.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/30848", "record": "CVE-2021-3455", "field": "creation_timestamp", "uuid": "1b13247c-c3f8-46c4-9899-fbd18d5f3922", "content": "\u203c CVE-2021-3455 \u203c\n\nDisconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/30848", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": true, "seconds": 10636416.0, "hours": 2954.56, "days": 123.10666666666667, "min_seconds": 10550016.0, "max_seconds": 10636416.0, "approximate": true, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2021-10-20T02:33:36Z", "date_only": false, "value": "2021-10-20T02:33:36.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/30848", "record": "CVE-2021-3455", "field": "creation_timestamp", "uuid": "1b13247c-c3f8-46c4-9899-fbd18d5f3922", "content": "\u203c CVE-2021-3455 \u203c\n\nDisconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/30848", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 170668560.317444, "hours": 47407.93342151222, "days": 1975.3305592296758, "min_seconds": 170582160.317444, "max_seconds": 170668560.317444, "approximate": true, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-06-19T00:00:00Z", "date_only": false, "value": "2021-06-19T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / zephyr", "record": "cve-2021-3455", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-15T07:56:00.317Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 160032144.317444, "hours": 44453.373421512224, "days": 1852.2238925630093, "min_seconds": 160032144.317444, "max_seconds": 160032144.317444, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-10-20T02:33:36Z", "date_only": false, "value": "2021-10-20T02:33:36.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/30848", "record": "CVE-2021-3455", "field": "creation_timestamp", "uuid": "1b13247c-c3f8-46c4-9899-fbd18d5f3922", "content": "\u203c CVE-2021-3455 \u203c\n\nDisconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/30848", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-15T07:56:00.317Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}