{"vulnerability": "CVE-2021-36798", "sightings": [{"uuid": "d3528f7b-7e57-4918-b43d-885b269cb303", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "MISP/dac4a394-901f-4da9-803d-152022783e17", "content": "", "creation_timestamp": "2024-11-14T06:09:33.000000Z"}, {"uuid": "5dae387c-581d-4d83-bf49-c113d07b5237", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/340", "content": "GitHub\u76d1\u63a7\u6d88\u606f\u63d0\u9192\uff01\uff01\uff01\n\n\u66f4\u65b0\u4e86\uff1aCVE-2021\n\u63cf\u8ff0\uff1aCobalt Strike &lt; 4.4 dos CVE-2021-36798 \nURL\uff1ahttps://github.com/M-Kings/CVE-2021-36798-", "creation_timestamp": "2021-08-19T11:28:33.000000Z"}, {"uuid": "6d58ea00-9974-4c76-bbb8-a5bfdcb1da2c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/341", "content": "GitHub\u76d1\u63a7\u6d88\u606f\u63d0\u9192\uff01\uff01\uff01\n\n\u66f4\u65b0\u4e86\uff1aCobalt Strike\n\u63cf\u8ff0\uff1aCobalt Strike &lt; 4.4 dos CVE-2021-36798 \nURL\uff1ahttps://github.com/M-Kings/CVE-2021-36798", "creation_timestamp": "2021-08-19T11:33:03.000000Z"}, {"uuid": "318a88f2-e1bd-4524-9b0f-15a9c35d9c35", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/602", "content": "GitHub\u76d1\u63a7\u6d88\u606f\u63d0\u9192\uff01\uff01\uff01\n\n\u66f4\u65b0\u4e86\uff1aCobalt Strike\n\u63cf\u8ff0\uff1aCVE-2021-36798 Exp: Cobalt Strike &lt; 4.4 Dos\nURL\uff1ahttps://github.com/JamVayne/CobaltStrikeDos", "creation_timestamp": "2021-09-27T05:05:54.000000Z"}, {"uuid": "9d37ef00-26cd-4ca3-ae59-263e58e62003", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "https://t.me/cibsecurity/27012", "content": "\u203c CVE-2021-36798 \u203c\n\nA Denial-of-Service (DoS) vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-09T16:36:57.000000Z"}, {"uuid": "66f7ae43-55bc-4c5a-91c9-7dd4a43dbd92", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "https://t.me/pwnwiki_zhchannel/830", "content": "CVE-2021-36798 CobaltStrike\u62d2\u7d55\u670d\u52d9\u6f0f\u6d1e\nhttps://www.pwnwiki.org/index.php?title=CVE-2021-36798_CobaltStrike%E6%8B%92%E7%B5%95%E6%9C%8D%E5%8B%99%E6%BC%8F%E6%B4%9E", "creation_timestamp": "2021-09-21T04:41:59.000000Z"}, {"uuid": "679cd506-c1eb-471b-a022-fb2a658fe8c5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "https://t.me/c0baltstrike/395", "content": "CVE-2021-36798 Exp: Cobalt Strike &lt; 4.4 Dos\n\nhttps://github.com/JamVayne/CobaltStrikeDos", "creation_timestamp": "2026-08-15T08:00:13.487129Z"}, {"uuid": "ad7a4342-04ff-41bc-a4cb-b2d157ccf16c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "published-proof-of-concept", "source": "https://t.me/c0baltstrike/395", "content": "CVE-2021-36798 Exp: Cobalt Strike &lt; 4.4 Dos\n\nhttps://github.com/JamVayne/CobaltStrikeDos", "creation_timestamp": "2026-08-16T00:00:09.741135Z"}, {"uuid": "1d3f41e7-19f9-4b76-abb3-eae05af6828f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "https://t.me/hacking_Attack/20806", "content": "hacking: security in practice\nCVE-2021-36798 Cobalt Strike &lt; 4.3 dos\n\nhttps://github.com/M-Kings/CVE-2021-36798\n\n\"Versions 4.2 and 4.3 of Cobalt Strike\u2019s server contain multiple Denial of Service vulnerabilities (CVE-2021-36798).\n\nThe vulnerabilities can render existing Beacons unable to communicate with their C2 server, prevent new beacons from being installed, and have the potential to interfere with ongoing operations.\"\n\nHackThePlanet\n\nsubmitted by /u/losthuman42 \n[link] [comments]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-01T20:02:27.892590Z"}, {"uuid": "038dd41a-e085-4873-920e-f0cfc12927a1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-36798", "type": "seen", "source": "https://t.me/hacking_Attack/20806", "content": "hacking: security in practice\nCVE-2021-36798 Cobalt Strike &lt; 4.3 dos\n\nhttps://github.com/M-Kings/CVE-2021-36798\n\n\"Versions 4.2 and 4.3 of Cobalt Strike\u2019s server contain multiple Denial of Service vulnerabilities (CVE-2021-36798).\n\nThe vulnerabilities can render existing Beacons unable to communicate with their C2 server, prevent new beacons from being installed, and have the potential to interfere with ongoing operations.\"\n\nHackThePlanet\n\nsubmitted by /u/losthuman42 \n[link] [comments]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-02T01:03:01.256953Z"}]}