{"vulnerability": "cve-2021-21141", "sightings": [{"uuid": "db8adfbc-2408-45aa-a7cb-26b52df45b87", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "type": "seen", "source": "MISP/45220254-d37d-4ca6-bd1b-8fd75bdd19f3", "content": "", "creation_timestamp": "2024-11-14T06:08:20.000000Z"}, {"uuid": "d12753ef-ae04-4438-aed0-0af6fd3e5aee", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "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": "43e8ad46-4435-4728-9170-74d03630037f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "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": "2026-09-01T17:00:57.139791Z"}, {"uuid": "dc1eabe8-99ac-4cd1-97d7-f8b4ad7a515c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "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": "2026-09-02T01:04:47.110130Z"}, {"uuid": "aba6d94c-7a7a-4f23-9bdd-d7a44648c0e6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "type": "published-proof-of-concept", "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": "2026-09-11T14:00:05.748256Z"}, {"uuid": "3a98e4bb-ccd6-458f-b513-47b6e23afa1a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21141", "type": "published-proof-of-concept", "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": "2026-09-12T00:00:39.972323Z"}]}