{"vulnerability": "cve-2021-21129", "sightings": [{"uuid": "9388b5d4-ae8a-426a-8573-93494718c554", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21129", "type": "seen", "source": "MISP/17730942-59ad-434a-934d-09398b8218f2", "content": "", "creation_timestamp": "2024-11-14T06:08:21.000000Z"}, {"uuid": "d629a8a6-df44-48f4-89cf-8bd3f5c1160d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21129", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/2985", "content": "#exploit\nCVE-2021-21123, CVE-2021-21129, CVE-2021-21130, CVE-2021-21131, CVE-2021-21141:\nGoogle Chrome File System Access API vulnerabilities\nhttps://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome", "creation_timestamp": "2022-07-04T20:50:53.000000Z"}, {"uuid": "bf426276-e1c1-4a9e-bc61-8a934934972a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21129", "type": "seen", "source": "https://t.me/cissp/2705", "content": "CVE-2021-21123, CVE-2021-21129, CVE-2021-21130, CVE-2021-21131, CVE-2021-21141:\nGoogle Chrome File System Access API vulnerabilities (PoC)\nhttps://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome\n\nExploration of x86-64 ISA using speculative execution\nhttps://github.com/can1357/haruspex\n]-> Speculating The Entire X86-64 Instruction Set In Seconds:\nhttps://blog.can.ac/2021/03/22/speculating-x86-64-isa-with-one-weird-trick\n\nRed Team Tactics\nExploiting JSON Web Token\nhttps://medium.com/@sajan.dhakate/exploiting-json-web-token-jwt-73d172b5bc02\n\nFuzzing Windows\nhttps://github.com/intel/kernel-fuzzer-for-xen-project/wiki/Fuzzing-Windows\n\nThreat Research\nGoogle Chrome Renderer RCE (PoC for CVE-2020-15972)\nhttps://securitylab.github.com/research/one_day_short_of_a_fullchain_renderer\n]-> Full exploit:\nhttps://github.com/github/securitylab/tree/main/SecurityExploits/Chrome/blink/CVE-2020-15972", "creation_timestamp": "2026-09-01T17:00:57.292167Z"}, {"uuid": "51dc7992-8512-48a7-b005-f17474d5b400", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21129", "type": "seen", "source": "https://t.me/cissp/2705", "content": "CVE-2021-21123, CVE-2021-21129, CVE-2021-21130, CVE-2021-21131, CVE-2021-21141:\nGoogle Chrome File System Access API vulnerabilities (PoC)\nhttps://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome\n\nExploration of x86-64 ISA using speculative execution\nhttps://github.com/can1357/haruspex\n]-> Speculating The Entire X86-64 Instruction Set In Seconds:\nhttps://blog.can.ac/2021/03/22/speculating-x86-64-isa-with-one-weird-trick\n\nRed Team Tactics\nExploiting JSON Web Token\nhttps://medium.com/@sajan.dhakate/exploiting-json-web-token-jwt-73d172b5bc02\n\nFuzzing Windows\nhttps://github.com/intel/kernel-fuzzer-for-xen-project/wiki/Fuzzing-Windows\n\nThreat Research\nGoogle Chrome Renderer RCE (PoC for CVE-2020-15972)\nhttps://securitylab.github.com/research/one_day_short_of_a_fullchain_renderer\n]-> Full exploit:\nhttps://github.com/github/securitylab/tree/main/SecurityExploits/Chrome/blink/CVE-2020-15972", "creation_timestamp": "2026-09-02T01:04:47.826454Z"}]}