{"vulnerability": "cve-2021-27076", "sightings": [{"uuid": "7572f74c-38b0-4bb4-aec5-9738edb24808", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27076", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/2930", "content": "#exploit \n1. CVE-2021-27076:\nA Replay-style Deserialization Attack Against SharePoint (PoC)\nhttps://www.zerodayinitiative.com/blog/2021/3/17/cve-2021-27076-a-replay-style-deserialization-attack-against-sharepoint\n\n2. CVE-2020-16045:\nChrome sandbox escape\nhttps://securitylab.github.com/research/one_day_short_of_a_fullchain_sbx\n]-> full exploit:\nhttps://github.com/github/securitylab/tree/main/SecurityExploits/Chrome/SandboxEscape/GHSL-2020-165", "creation_timestamp": "2021-11-30T03:27:09.000000Z"}, {"uuid": "50866c2e-6a55-4bb3-9069-a87ed0d8d404", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27076", "type": "seen", "source": "https://gist.github.com/Darkcrai86/e55b5e10f5cee9782df9d6b876e27231", "content": "", "creation_timestamp": "2025-10-06T08:33:30.000000Z"}, {"uuid": "5d4de988-9fd9-47d4-9ba1-d66883860acf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27076", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/2955", "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", "creation_timestamp": "2021-03-29T05:54:18.000000Z"}, {"uuid": "4406a4e6-a4bf-4353-a5ca-4a23b22fd633", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27076", "type": "seen", "source": "https://poliverso.org/objects/0477a01e-0f44b7f2-09bc4f263343226c", "content": "", "creation_timestamp": "2025-10-06T21:17:14.091687Z"}, {"uuid": "72af8eae-2824-4657-94bd-b3307546635f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27076", "type": "exploited", "source": "https://t.me/infobes/301", "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", "creation_timestamp": "2021-03-22T10:14:45.000000Z"}]}