{"vulnerability": "cve-2021-30797", "sightings": [{"uuid": "3f4be244-1092-4e0a-9764-61a2916dd080", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-30797", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4112", "content": "#exploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2021-08-20T12:27:06.000000Z"}, {"uuid": "50d9d668-b46e-4396-977f-6248563a2377", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-30797", "type": "seen", "source": "https://t.me/cissp/4047", "content": "Blue Team Techniques\n1. Detecting Command & Control beaconing with Sysmon and Splunk\ud83d\ude0a\nhttps://blog.cyberabilities.ca/2021/08/detecting-command-control-beaconing.html\n2. How to Clear RAM Memory Cache, Buffer and Swap Space on Linux\nhttps://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux\n\nCloud Security\nAzure Active Directory Sign-Ins Log Tampering\nhttps://www.secureworks.com/research/azure-active-directory-sign-ins-log-tampering\n\nOffensive security\nTalking about Java Memory Attack Technology\nhttps://mp.weixin.qq.com/s/JIjBjULjFnKDjEhzVAtxhw\n// With the update and iteration of defense systems such as IPS/RASP, the battlefield of Java offensive and defensive battles has been upgraded from disk to memory... \n\nexploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2026-09-01T17:00:42.223353Z"}, {"uuid": "532d627b-b8dd-4c3c-a3cb-8b421e1b3acf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-30797", "type": "seen", "source": "https://t.me/cissp/4047", "content": "Blue Team Techniques\n1. Detecting Command & Control beaconing with Sysmon and Splunk\ud83d\ude0a\nhttps://blog.cyberabilities.ca/2021/08/detecting-command-control-beaconing.html\n2. How to Clear RAM Memory Cache, Buffer and Swap Space on Linux\nhttps://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux\n\nCloud Security\nAzure Active Directory Sign-Ins Log Tampering\nhttps://www.secureworks.com/research/azure-active-directory-sign-ins-log-tampering\n\nOffensive security\nTalking about Java Memory Attack Technology\nhttps://mp.weixin.qq.com/s/JIjBjULjFnKDjEhzVAtxhw\n// With the update and iteration of defense systems such as IPS/RASP, the battlefield of Java offensive and defensive battles has been upgraded from disk to memory... \n\nexploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2026-09-02T01:04:29.025279Z"}, {"uuid": "7eb718cb-f8d9-4bb4-bd52-a7d50041de19", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-30797", "type": "published-proof-of-concept", "source": "https://t.me/cissp/4047", "content": "Blue Team Techniques\n1. Detecting Command & Control beaconing with Sysmon and Splunk\ud83d\ude0a\nhttps://blog.cyberabilities.ca/2021/08/detecting-command-control-beaconing.html\n2. How to Clear RAM Memory Cache, Buffer and Swap Space on Linux\nhttps://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux\n\nCloud Security\nAzure Active Directory Sign-Ins Log Tampering\nhttps://www.secureworks.com/research/azure-active-directory-sign-ins-log-tampering\n\nOffensive security\nTalking about Java Memory Attack Technology\nhttps://mp.weixin.qq.com/s/JIjBjULjFnKDjEhzVAtxhw\n// With the update and iteration of defense systems such as IPS/RASP, the battlefield of Java offensive and defensive battles has been upgraded from disk to memory... \n\nexploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2026-09-10T22:00:03.465108Z"}, {"uuid": "af9a0530-352a-4343-92a5-a2aa960aaaf2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-30797", "type": "published-proof-of-concept", "source": "https://t.me/cissp/4047", "content": "Blue Team Techniques\n1. Detecting Command & Control beaconing with Sysmon and Splunk\ud83d\ude0a\nhttps://blog.cyberabilities.ca/2021/08/detecting-command-control-beaconing.html\n2. How to Clear RAM Memory Cache, Buffer and Swap Space on Linux\nhttps://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux\n\nCloud Security\nAzure Active Directory Sign-Ins Log Tampering\nhttps://www.secureworks.com/research/azure-active-directory-sign-ins-log-tampering\n\nOffensive security\nTalking about Java Memory Attack Technology\nhttps://mp.weixin.qq.com/s/JIjBjULjFnKDjEhzVAtxhw\n// With the update and iteration of defense systems such as IPS/RASP, the battlefield of Java offensive and defensive battles has been upgraded from disk to memory... \n\nexploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2026-09-11T00:00:11.207109Z"}]}