{"metadata": {"vulnerability": "CVE-2021-27889", "count": 16, "kinds": {"milestone": 3, "sighting": 4, "kev": 0, "other": 9}}, "data": [{"timestamp": "2021-03-02T00:00:00Z", "date_only": false, "value": "2021-03-02T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2021-03-15T17:15:00Z", "date_only": false, "value": "2021-03-15T17:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-27889", "record": "GSD-2021-27889", "field": "namespaces.nvd.nist.gov.publishedDate", "linked_record": true}, {"timestamp": "2021-03-15T17:15:22.517Z", "date_only": false, "value": "2021-03-15T17:15:22.517", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-27889", "record": "FKIE_CVE-2021-27889", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2021-03-15T19:29:06Z", "date_only": false, "value": "2021-03-15T19:29:06.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/24904", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "7b3fbfb2-c038-47fe-87e1-087074ffcedd", "content": "\u203c CVE-2021-27889 \u203c\n\nCross-site Scriptiong (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/24904"}, {"timestamp": "2021-03-16T00:00:00Z", "date_only": true, "value": "2021-03-16", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2021-22153", "record": "CNVD-2021-22153", "field": "submitTime", "linked_record": true}, {"timestamp": "2021-03-22T10:14:45Z", "date_only": false, "value": "2021-03-22T10:14:45.000000Z", "kind": "sighting", "label": "Exploited", "source": "https://t.me/infobes/301", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "92b6230c-3dbb-450b-89c0-54e092fb219c", "content": "CVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE Vulnerability\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/infobes/301", "metric_role": "exploitation", "metric_basis": "sighting_report"}, {"timestamp": "2021-03-24T00:00:00Z", "date_only": true, "value": "2021-03-24", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2021-22153", "record": "CNVD-2021-22153", "field": "openTime", "linked_record": true}, {"timestamp": "2021-03-29T05:54:18Z", "date_only": false, "value": "2021-03-29T05:54:18.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/2955", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "76a38a66-00ce-4116-98c3-768fe8be5bd2", "content": "#Analytics\n10 most exploited vulnerabilities of the week (march 15 - 21)\nCVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986/22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/CyberSecurityTechnologies/2955", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2021-08-20T18:15:33Z", "date_only": false, "value": "2021-08-20T18:15:33.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "CVE-2021-27889", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-09-21T17:48:00Z", "date_only": false, "value": "2021-09-21T17:48Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-27889", "record": "GSD-2021-27889", "field": "namespaces.nvd.nist.gov.lastModifiedDate", "linked_record": true}, {"timestamp": "2023-12-13T01:23:35.993Z", "date_only": false, "value": "2023-12-13T01:23:35.993666Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-27889", "record": "GSD-2021-27889", "field": "gsd.osvSchema.modified", "linked_record": true}, {"timestamp": "2024-08-03T21:33:17.199Z", "date_only": false, "value": "2024-08-03T21:33:17.199Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-03T21:33:17.199Z", "date_only": false, "value": "2024-08-03T21:33:17.199Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-27889", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-11-14T06:08:18Z", "date_only": false, "value": "2024-11-14T06:08:18.000000Z", "kind": "sighting", "label": "Seen", "source": "MISP/5fd5021c-d0d5-4873-b123-0f1fe5df65de", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "a6e17053-19b5-4cb8-858d-be3830ef0e0c"}, {"timestamp": "2026-06-17T03:45:33.900Z", "date_only": false, "value": "2026-06-17T03:45:33.900", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-27889", "record": "FKIE_CVE-2021-27889", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-11T13:20:19.626Z", "anchors": {"origin": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2021-03-29T05:54:18Z", "date_only": false, "value": "2021-03-29T05:54:18.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/2955", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "76a38a66-00ce-4116-98c3-768fe8be5bd2", "content": "#Analytics\n10 most exploited vulnerabilities of the week (march 15 - 21)\nCVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986/22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/CyberSecurityTechnologies/2955", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": {"timestamp": "2021-03-22T10:14:45Z", "date_only": false, "value": "2021-03-22T10:14:45.000000Z", "kind": "sighting", "label": "Exploited", "source": "https://t.me/infobes/301", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "92b6230c-3dbb-450b-89c0-54e092fb219c", "content": "CVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE Vulnerability\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/infobes/301", "metric_role": "exploitation", "metric_basis": "sighting_report"}, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": true, "seconds": 580663.0, "hours": 161.29527777777778, "days": 6.720636574074074, "min_seconds": 580663.0, "max_seconds": 580663.0, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2021-03-22T10:14:45Z", "date_only": false, "value": "2021-03-22T10:14:45.000000Z", "kind": "sighting", "label": "Exploited", "source": "https://t.me/infobes/301", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "92b6230c-3dbb-450b-89c0-54e092fb219c", "content": "CVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE Vulnerability\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/infobes/301", "metric_role": "exploitation", "metric_basis": "sighting_report"}}, "disclosure_to_exploit": {"available": true, "seconds": 580663.0, "hours": 161.29527777777778, "days": 6.720636574074074, "min_seconds": 580663.0, "max_seconds": 580663.0, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2021-03-22T10:14:45Z", "date_only": false, "value": "2021-03-22T10:14:45.000000Z", "kind": "sighting", "label": "Exploited", "source": "https://t.me/infobes/301", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "92b6230c-3dbb-450b-89c0-54e092fb219c", "content": "CVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE Vulnerability\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/infobes/301", "metric_role": "exploitation", "metric_basis": "sighting_report"}}, "disclosure_to_exploit_publication": {"available": true, "seconds": 1169836.0, "hours": 324.95444444444445, "days": 13.53976851851852, "min_seconds": 1169836.0, "max_seconds": 1169836.0, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2021-03-29T05:54:18Z", "date_only": false, "value": "2021-03-29T05:54:18.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/2955", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "76a38a66-00ce-4116-98c3-768fe8be5bd2", "content": "#Analytics\n10 most exploited vulnerabilities of the week (march 15 - 21)\nCVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986/22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/CyberSecurityTechnologies/2955", "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": 178575797.62668, "hours": 49604.38822963333, "days": 2066.8495095680555, "min_seconds": 178575797.62668, "max_seconds": 178575797.62668, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-15T16:57:02Z", "date_only": false, "value": "2021-03-15T16:57:02.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-11T13:20:19.626Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": true, "seconds": 177995134.62668, "hours": 49443.09295185555, "days": 2060.1288729939815, "min_seconds": 177995134.62668, "max_seconds": 177995134.62668, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-22T10:14:45Z", "date_only": false, "value": "2021-03-22T10:14:45.000000Z", "kind": "sighting", "label": "Exploited", "source": "https://t.me/infobes/301", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "92b6230c-3dbb-450b-89c0-54e092fb219c", "content": "CVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE Vulnerability\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/infobes/301", "metric_role": "exploitation", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-11T13:20:19.626Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploit_publication_to_patch": {"available": true, "seconds": 177405961.62668, "hours": 49279.433785188885, "days": 2053.309741049537, "min_seconds": 177405961.62668, "max_seconds": 177405961.62668, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-03-29T05:54:18Z", "date_only": false, "value": "2021-03-29T05:54:18.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/2955", "record": "CVE-2021-27889", "field": "creation_timestamp", "uuid": "76a38a66-00ce-4116-98c3-768fe8be5bd2", "content": "#Analytics\n10 most exploited vulnerabilities of the week (march 15 - 21)\nCVE-2021-26855/27065 - ProxyLogon MS Exchange Server RCE\nhttps://t.me/cybersecuritytechnologies/2835\nCVE-2021-3156 - Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-22986/22987 - F5 BIG-IP TMM uri_normalize_host infoleak and out-of-bounds write\nhttps://t.me/cybersecuritytechnologies/2881\nCVE-2021-27076 - A Replay-style Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-21193 - Google Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-21193:\nGoogle Chrome Blink code execution\nhttps://vulmon.com/vulnerabilitydetails?qid=CVE-2021-21193\nCVE-2021-27076:\nReplay Deserialization Attack Against SharePoint\nhttps://t.me/cybersecuritytechnologies/2930\nCVE-2021-27889, CVE-2021-27890:\nMyBB RCE Chain\nhttps://blog.sonarsource.com/mybb-remote-code-execution-chain", "url": "https://t.me/CyberSecurityTechnologies/2955", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-11T13:20:19.626Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}