{"metadata": {"vulnerability": "CVE-2021-21556", "count": 19, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 14}}, "data": [{"timestamp": "2021-01-04T00:00:00Z", "date_only": false, "value": "2021-01-04T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-21556", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-06-08T00:00:00Z", "date_only": true, "value": "2021-06-08", "kind": "other", "label": "DATE PUBLIC", "source": "cvelistv5 / dell", "record": "CVE-2021-21556", "field": "containers.cna.x_legacyV4Record.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-06-08T00:00:00Z", "date_only": true, "value": "2021-06-08", "kind": "other", "label": "DATE PUBLIC", "source": "gsd \u00b7 GSD-2021-21556", "record": "GSD-2021-21556", "field": "namespaces.cve.org.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-06-08T00:00:00Z", "date_only": false, "value": "2021-06-08T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / dell", "record": "CVE-2021-21556", "field": "containers.cna.datePublic"}, {"timestamp": "2021-06-14T19:10:15Z", "date_only": false, "value": "2021-06-14T19:10:15.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / dell", "record": "CVE-2021-21556", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-06-14T19:10:15.963Z", "date_only": false, "value": "2021-06-14T19:10:15.963Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-21556", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-06-14T19:15:00Z", "date_only": false, "value": "2021-06-14T19:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-9FC4-HXQ5-HWJ6", "record": "GHSA-9FC4-HXQ5-HWJ6", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-06-14T19:15:00Z", "date_only": false, "value": "2021-06-14T19:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-21556", "record": "GSD-2021-21556", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-06-14T19:15:08.353Z", "date_only": false, "value": "2021-06-14T19:15:08.353", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-21556", "record": "FKIE_CVE-2021-21556", "field": "published"}, {"timestamp": "2021-06-14T22:37:50Z", "date_only": false, "value": "2021-06-14T22:37:50.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/25444", "record": "CVE-2021-21556", "field": "creation_timestamp", "uuid": "38e4bdba-9ae9-47c6-9fa6-d384551a0715", "content": "\u203c CVE-2021-21556 \u203c\n\nDell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/25444"}, {"timestamp": "2021-06-16T00:00:00Z", "date_only": true, "value": "2021-06-16", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2022-42745", "record": "CNVD-2022-42745", "field": "submitTime"}, {"timestamp": "2021-06-23T18:03:00Z", "date_only": false, "value": "2021-06-23T18:03Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-21556", "record": "GSD-2021-21556", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2022-05-24T19:05:16Z", "date_only": false, "value": "2022-05-24T19:05:16Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-9FC4-HXQ5-HWJ6", "record": "GHSA-9FC4-HXQ5-HWJ6", "field": "published"}, {"timestamp": "2022-05-24T19:05:16Z", "date_only": false, "value": "2022-05-24T19:05:16Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-9FC4-HXQ5-HWJ6", "record": "GHSA-9FC4-HXQ5-HWJ6", "field": "modified"}, {"timestamp": "2022-06-02T00:00:00Z", "date_only": true, "value": "2022-06-02", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2022-42745", "record": "CNVD-2022-42745", "field": "openTime"}, {"timestamp": "2023-12-13T01:23:11.109Z", "date_only": false, "value": "2023-12-13T01:23:11.109423Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-21556", "record": "GSD-2021-21556", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-08-03T18:16:23.115Z", "date_only": false, "value": "2024-08-03T18:16:23.115Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-21556", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-17T01:40:39.312Z", "date_only": false, "value": "2024-09-17T01:40:39.312Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-21556", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-06-17T03:35:46.423Z", "date_only": false, "value": "2026-06-17T03:35:46.423", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-21556", "record": "FKIE_CVE-2021-21556", "field": "lastModified"}]}