{"metadata": {"vulnerability": "cve-2020-21523", "count": 14, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 9}}, "data": [{"timestamp": "2020-08-13T00:00:00Z", "date_only": false, "value": "2020-08-13T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.dateReserved"}, {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "cve-2020-21523", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2020-09-30T18:15:00Z", "date_only": false, "value": "2020-09-30T18:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-MX65-VQHQ-G7WG", "record": "GHSA-MX65-VQHQ-G7WG", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2020-09-30T18:15:00Z", "date_only": false, "value": "2020-09-30T18:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2020-21523", "record": "GSD-2020-21523", "field": "namespaces.nvd.nist.gov.publishedDate", "linked_record": true}, {"timestamp": "2020-09-30T18:15:23.960Z", "date_only": false, "value": "2020-09-30T18:15:23.960", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-21523", "record": "FKIE_CVE-2020-21523", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2020-09-30T22:52:15Z", "date_only": false, "value": "2020-09-30T22:52:15.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/14963", "record": "CVE-2020-21523", "field": "creation_timestamp", "uuid": "f21e4e65-45e0-4987-91c2-11a6c36fa8f5", "content": "\u203c CVE-2020-21523 \u203c\n\nA Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test=\"freemarker.template.utility.Execute\"?new()> ${test(\"touch /tmp/freemarkerPwned\")}\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/14963", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2020-10-09T17:40:00Z", "date_only": false, "value": "2020-10-09T17:40Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2020-21523", "record": "GSD-2020-21523", "field": "namespaces.nvd.nist.gov.lastModifiedDate", "linked_record": true}, {"timestamp": "2022-05-24T17:29:49Z", "date_only": false, "value": "2022-05-24T17:29:49Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-MX65-VQHQ-G7WG", "record": "GHSA-MX65-VQHQ-G7WG", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2022-05-24T17:29:49Z", "date_only": false, "value": "2022-05-24T17:29:49Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-MX65-VQHQ-G7WG", "record": "GHSA-MX65-VQHQ-G7WG", "field": "modified", "linked_record": true}, {"timestamp": "2023-12-13T01:21:45.645Z", "date_only": false, "value": "2023-12-13T01:21:45.645363Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2020-21523", "record": "GSD-2020-21523", "field": "gsd.osvSchema.modified", "linked_record": true}, {"timestamp": "2024-08-04T14:30:33.220Z", "date_only": false, "value": "2024-08-04T14:30:33.220Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-04T14:30:33.220Z", "date_only": false, "value": "2024-08-04T14:30:33.220Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2020-21523", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-06-17T03:03:44.863Z", "date_only": false, "value": "2026-06-17T03:03:44.863", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-21523", "record": "FKIE_CVE-2020-21523", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-14T02:19:30.696Z", "anchors": {"origin": {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2020-09-30T22:52:15Z", "date_only": false, "value": "2020-09-30T22:52:15.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/14963", "record": "CVE-2020-21523", "field": "creation_timestamp", "uuid": "f21e4e65-45e0-4987-91c2-11a6c36fa8f5", "content": "\u203c CVE-2020-21523 \u203c\n\nA Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test=\"freemarker.template.utility.Execute\"?new()> ${test(\"touch /tmp/freemarkerPwned\")}\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/14963", "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": 30144.0, "hours": 8.373333333333333, "days": 0.3488888888888889, "min_seconds": 30144.0, "max_seconds": 30144.0, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2020-09-30T22:52:15Z", "date_only": false, "value": "2020-09-30T22:52:15.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/14963", "record": "CVE-2020-21523", "field": "creation_timestamp", "uuid": "f21e4e65-45e0-4987-91c2-11a6c36fa8f5", "content": "\u203c CVE-2020-21523 \u203c\n\nA Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test=\"freemarker.template.utility.Execute\"?new()> ${test(\"touch /tmp/freemarkerPwned\")}\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/14963", "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": 193146579.69635, "hours": 53651.82769343056, "days": 2235.4928205596066, "min_seconds": 193146579.69635, "max_seconds": 193146579.69635, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2020-09-30T14:29:51Z", "date_only": false, "value": "2020-09-30T14:29:51.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2020-21523", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-14T02:19:30.696Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 193116435.69635, "hours": 53643.454360097225, "days": 2235.143931670718, "min_seconds": 193116435.69635, "max_seconds": 193116435.69635, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2020-09-30T22:52:15Z", "date_only": false, "value": "2020-09-30T22:52:15.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cibsecurity/14963", "record": "CVE-2020-21523", "field": "creation_timestamp", "uuid": "f21e4e65-45e0-4987-91c2-11a6c36fa8f5", "content": "\u203c CVE-2020-21523 \u203c\n\nA Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test=\"freemarker.template.utility.Execute\"?new()> ${test(\"touch /tmp/freemarkerPwned\")}\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/14963", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-14T02:19:30.696Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}