{"vulnerability": "cve-2021-3450", "sightings": [{"uuid": "3cc8de7e-8455-4f35-915f-3e9d16fc80aa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://gist.github.com/DmitriyLewen/1a8cf11df4bf524d609e669f6be82bb5", "content": "", "creation_timestamp": "2026-03-31T07:46:57.000000Z"}, {"uuid": "335a1873-eb6b-4bd1-9d20-a6c1df066d56", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/BleepingComputer/9406", "content": "OpenSSL fixes severe DoS, certificate validation vulnerabilities\n\nOpenSSL has patched two high severity vulnerabilities. These include a Denial of Service (DoS) vulnerability (CVE-2021-3449) and an improper\u00a0CA\u00a0certificate validation issue (CVE-2021-3450). [...]\n\nhttps://www.bleepingcomputer.com/news/security/openssl-fixes-severe-dos-certificate-validation-vulnerabilities/", "creation_timestamp": "2021-03-25T17:13:49.000000Z"}, {"uuid": "80daa0c2-fd54-4afa-8a23-9a66fa15dd17", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-34506", "type": "seen", "source": "https://t.me/cibsecurity/65836", "content": "\u203c CVE-2021-34506 \u203c\n\nMicrosoft Edge (Chromium-based) Security Feature Bypass Vulnerability\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-07-01T07:15:41.000000Z"}, {"uuid": "221bbaa9-8531-4797-8090-807e72bc453d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/thehackernews/1114", "content": "OpenSSL has released security patches for 2 new high-severity vulnerabilities that could be exploited to perform DoS attacks (CVE-2021-3449) and bypass certificate verification (CVE-2021-3450).\n\nRead details \u2014 https://thehackernews.com/2021/03/openssl-releases-patches-for-2-high.html", "creation_timestamp": "2021-03-26T15:59:46.000000Z"}, {"uuid": "4473f04b-778b-4500-827e-85444f73b261", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-34501", "type": "seen", "source": "https://bsky.app/profile/vulnsea.com/post/3msqsahywpv25", "content": "\ud83c\udf0a ABYSSAL \u00b7 critical with a public exploit\nCVE-2021-34501: Microsoft Excel Remote Code Execution Vulnerability\nCVSS 7.8 \u00b7 EPSS 53.2% \u00b7 0day\nhttps://beta.vulnsea.com/cve/CVE-2021-34501\n\n#CVE #infosec #cybersecurity #threatintel", "creation_timestamp": "2026-08-10T19:06:24.640004Z"}, {"uuid": "6bf2740f-f0f5-4051-b341-37827a18e988", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-34501", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3msrnwhptkf2b", "content": "Top 3 CVE for last 7 days:\nCVE-2026-64564: 28 interactions\nCVE-2026-64638: 18 interactions\nCVE-2026-18577: 16 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2021-34501: 2 interactions\nCVE-2026-19433: 2 interactions\nCVE-2026-65545: 2 interactions\n", "creation_timestamp": "2026-08-11T03:21:54.152749Z"}, {"uuid": "96511a95-ce15-44e8-a6a9-fb663829f777", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/cissp/2717", "content": "OpenSSL has released security patches for 2 new high-severity vulnerabilities that could be exploited to perform DoS attacks (CVE-2021-3449) and bypass certificate verification (CVE-2021-3450).\n\nRead details \u2014 \nhttps://thehackernews.com/2021/03/openssl-releases-patches-for-2-high.html", "creation_timestamp": "2026-09-01T17:00:56.912960Z"}, {"uuid": "61944440-f90c-4bf6-83f0-acd8bfaf935a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/hacking_Attack/2472", "content": "hacking: security in practice\nOpenSSL Security Advisory (CVE-2021-3450, CVE-2021-3449)\n\nCA certificate check bypass with X509_V_FLAG_X509_STRICT (CVE-2021-3450)\n\nNULL pointer deref in signature_algorithms processing (CVE-2021-3449)\n\nDetails: https://www.openssl.org/news/secadv/20210325.txt\n\nsubmitted by /u/Vulmon \n[link] [comments]", "creation_timestamp": "2026-09-01T20:02:50.192996Z"}, {"uuid": "38a0d974-d868-46dc-a34b-1611d738ddb9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/hacking_Attack/2472", "content": "hacking: security in practice\nOpenSSL Security Advisory (CVE-2021-3450, CVE-2021-3449)\n\nCA certificate check bypass with X509_V_FLAG_X509_STRICT (CVE-2021-3450)\n\nNULL pointer deref in signature_algorithms processing (CVE-2021-3449)\n\nDetails: https://www.openssl.org/news/secadv/20210325.txt\n\nsubmitted by /u/Vulmon \n[link] [comments]", "creation_timestamp": "2026-09-02T01:03:25.886633Z"}, {"uuid": "533720fa-7234-4516-90aa-eeaa2129fa20", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-3450", "type": "seen", "source": "https://t.me/cissp/2717", "content": "OpenSSL has released security patches for 2 new high-severity vulnerabilities that could be exploited to perform DoS attacks (CVE-2021-3449) and bypass certificate verification (CVE-2021-3450).\n\nRead details \u2014 \nhttps://thehackernews.com/2021/03/openssl-releases-patches-for-2-high.html", "creation_timestamp": "2026-09-02T01:04:47.064903Z"}]}