{"vulnerability": "CVE-2021-26877", "sightings": [{"uuid": "0ff6792f-3157-4875-818f-3b894ea7c2fd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-26877", "type": "seen", "source": "https://t.me/CyberSecurityTechnologies/2894", "content": "Critical Vulnerabilities in DNS Dynamic Updates (Analysis of CVE-2021-26877, CVE-2021-26897)\nhttps://www.mcafee.com/blogs/other-blogs/mcafee-labs/seven-windows-wonders-critical-vulnerabilities-in-dns-dynamic-updates\n+ Secure DNS Deployment Guide (NIST SP 800-81-2) (.pdf)\nhttps://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-81-2.pdf", "creation_timestamp": "2024-05-07T14:25:16.000000Z"}, {"uuid": "e54ecada-9a88-4d8d-8250-5d949cf5f32f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-26877", "type": "published-proof-of-concept", "source": "https://t.me/cissp/2506", "content": "", "creation_timestamp": "2026-09-11T17:00:03.523651Z"}, {"uuid": "4fe0ec9e-00d0-4891-91c4-37cd5d29676d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-26877", "type": "seen", "source": "https://t.me/cissp/2506", "content": "", "creation_timestamp": "2026-09-01T17:01:00.162370Z"}]}