{"metadata": {"vulnerability": "cve-2021-39840", "count": 29, "kinds": {"milestone": 5, "sighting": 8, "kev": 0, "other": 16}}, "data": [{"timestamp": "2021-08-23T00:00:00Z", "date_only": false, "value": "2021-08-23T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2021-39840", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-09-14T00:00:00Z", "date_only": false, "value": "2021-09-14T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / adobe", "record": "cve-2021-39840", "field": "containers.cna.datePublic"}, {"timestamp": "2021-09-14T23:00:00Z", "date_only": false, "value": "2021-09-14T23:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "cvelistv5 / adobe", "record": "cve-2021-39840", "field": "containers.cna.x_legacyV4Record.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-09-14T23:00:00Z", "date_only": false, "value": "2021-09-14T23:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "gsd \u00b7 GSD-2021-39840", "record": "GSD-2021-39840", "field": "namespaces.cve.org.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-09-15T00:00:00Z", "date_only": false, "value": "2021-09-15T00:00:00", "kind": "other", "label": "Last revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-704", "record": "CERTFR-2021-AVI-704", "field": "last_revision_date"}, {"timestamp": "2021-09-15T00:00:00Z", "date_only": false, "value": "2021-09-15T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-704", "record": "CERTFR-2021-AVI-704", "field": "initial_release_date"}, {"timestamp": "2021-09-15T00:00:00Z", "date_only": false, "value": "2021-09-15T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-704", "record": "CERTFR-2021-AVI-704", "field": "revisions.0.revision_date"}, {"timestamp": "2021-09-15T00:00:00Z", "date_only": true, "value": "2021-09-15", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2021-94913", "record": "CNVD-2021-94913", "field": "submitTime"}, {"timestamp": "2021-09-29T15:37:54Z", "date_only": false, "value": "2021-09-29T15:37:54.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / adobe", "record": "cve-2021-39840", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-09-29T15:37:54.224Z", "date_only": false, "value": "2021-09-29T15:37:54.224Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-39840", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-09-29T16:15:00Z", "date_only": false, "value": "2021-09-29T16:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-JWQ3-RF5C-W7RP", "record": "GHSA-JWQ3-RF5C-W7RP", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-09-29T16:15:00Z", "date_only": false, "value": "2021-09-29T16:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-39840", "record": "GSD-2021-39840", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-09-29T16:15:08.753Z", "date_only": false, "value": "2021-09-29T16:15:08.753", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-39840", "record": "FKIE_CVE-2021-39840", "field": "published"}, {"timestamp": "2021-10-06T23:02:00Z", "date_only": false, "value": "2021-10-06T23:02Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-39840", "record": "GSD-2021-39840", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2021-10-22T11:03:01Z", "date_only": false, "value": "2021-10-22T11:03:01.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/4575", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "8a53929c-df89-414f-8ae4-3383bdf29905", "content": "#exploit\nCVE-2021-28632, CVE-2021-39840:\nBypassing Locks in Adobe Reader\nhttps://www.zerodayinitiative.com/blog/2021/10/20/cve-2021-28632-amp-cve-2021-39840-bypassing-locks-in-adobe-reader", "url": "https://t.me/CyberSecurityTechnologies/4575"}, {"timestamp": "2021-12-07T00:00:00Z", "date_only": true, "value": "2021-12-07", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2021-94913", "record": "CNVD-2021-94913", "field": "openTime"}, {"timestamp": "2022-05-24T19:16:06Z", "date_only": false, "value": "2022-05-24T19:16:06Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-JWQ3-RF5C-W7RP", "record": "GHSA-JWQ3-RF5C-W7RP", "field": "published"}, {"timestamp": "2022-05-24T19:16:06Z", "date_only": false, "value": "2022-05-24T19:16:06Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-JWQ3-RF5C-W7RP", "record": "GHSA-JWQ3-RF5C-W7RP", "field": "modified"}, {"timestamp": "2023-11-17T02:43:04Z", "date_only": false, "value": "2023-11-17T02:43:04.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/arpsyndicate/182", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "1beda80a-6358-45fb-a7bb-b49bc46b950f", "content": "#ExploitObserverAlert\n\nCVE-2021-39840\n\nDESCRIPTION: Exploit Observer has 1 entries related to CVE-2021-39840. Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nFIRST-EPSS: 0.365760000\nNVD-IS: 6.4\nNVD-ES: 8.6", "url": "https://t.me/arpsyndicate/182"}, {"timestamp": "2023-12-13T01:23:15.212Z", "date_only": false, "value": "2023-12-13T01:23:15.212337Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-39840", "record": "GSD-2021-39840", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-08-04T02:20:33.379Z", "date_only": false, "value": "2024-08-04T02:20:33.379Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2021-39840", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-16T20:12:05.250Z", "date_only": false, "value": "2024-09-16T20:12:05.250Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2021-39840", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-06-17T04:04:16.050Z", "date_only": false, "value": "2026-06-17T04:04:16.050", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-39840", "record": "FKIE_CVE-2021-39840", "field": "lastModified"}, {"timestamp": "2026-07-29T12:02:52.289Z", "date_only": false, "value": "2026-07-29T12:02:52.289557Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/reverseame/1725", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "200102a5-5b31-4197-a7b1-961f73c64d85", "url": "https://t.me/reverseame/1725"}, {"timestamp": "2026-07-30T00:02:42.745Z", "date_only": false, "value": "2026-07-30T00:02:42.745917Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/reverseame/1725", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "2f164557-9c2c-435b-bfb5-605c560fce30", "url": "https://t.me/reverseame/1725"}, {"timestamp": "2026-08-03T05:00:04.597Z", "date_only": false, "value": "2026-08-03T05:00:04.597385Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/reverseame/1725", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "5225876b-e4ec-4692-ba09-f61cef158582", "url": "https://t.me/reverseame/1725"}, {"timestamp": "2026-08-04T00:00:50.047Z", "date_only": false, "value": "2026-08-04T00:00:50.047649Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/reverseame/1725", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "afdeb8b5-b3b3-457a-8ce2-d4fbe4f9b09f", "url": "https://t.me/reverseame/1725"}, {"timestamp": "2026-09-01T17:00:37.572Z", "date_only": false, "value": "2026-09-01T17:00:37.572569Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cissp/4666", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "11d394c2-1f3d-4a27-982c-190032836337", "url": "https://t.me/cissp/4666"}, {"timestamp": "2026-09-10T16:00:04.706Z", "date_only": false, "value": "2026-09-10T16:00:04.706459Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cissp/4666", "record": "CVE-2021-39840", "field": "creation_timestamp", "uuid": "73fcd3dd-5ebf-4170-aac2-a029de1ea8bf", "url": "https://t.me/cissp/4666"}]}