{"vulnerability": "CVE-2021-47664", "sightings": [{"uuid": "ddb6d244-e39f-4ede-972b-31499d947f41", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-47664", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/13211", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-47664\n\ud83d\udd25 CVSS Score: 5.3 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\ud83d\udd39 Description: Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames.\n\ud83d\udccf Published: 2025-04-24T09:25:39.181Z\n\ud83d\udccf Modified: 2025-04-24T09:25:39.181Z\n\ud83d\udd17 References:\n1. https://www.sciencedirect.com/science/article/pii/S2351978921001657", "creation_timestamp": "2025-04-24T10:08:00.000000Z"}, {"uuid": "5886e957-2dde-4877-92e5-976f2920d20e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-47664", "type": "seen", "source": "https://t.me/cvedetector/23652", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2021-47664 - Cisco Authentication Bypass\", \n  \"Content\": \"CVE ID : CVE-2021-47664 \nPublished : April 24, 2025, 10:15 a.m. | 16\u00a0minutes ago \nDescription : Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames. \nSeverity: 5.3 | MEDIUM \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"24 Apr 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-04-24T13:03:35.000000Z"}, {"uuid": "e84ba78e-b8ed-4a2d-bc0a-8f6d65d0b4e0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-47664", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3lnkscinrpn2d", "content": "", "creation_timestamp": "2025-04-24T13:19:25.586999Z"}, {"uuid": "16a2afc8-9786-45c6-b0f8-23aa6b43ce72", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-47664", "type": "seen", "source": "https://bsky.app/profile/2rZiKKbOU3nTafniR2qMMSE0gwZ.activitypub.awakari.com.ap.brid.gy/post/3lnkt4wc4jed2", "content": "", "creation_timestamp": "2025-04-24T14:16:55.159120Z"}]}