{"id":"CVE-2021-21097","kind":"vulnerability","aliases":["CVE-2021-21097"],"related":[],"title":"CVE-2021-21097 was rejected and withdrawn; no vulnerability exists","description":"Rejected reason: Reserved ID never published and not linked to any VULN ticket - quota reclaim 2026-11-05","summary":"This identifier was reserved but never published, and its record was rejected by NVD because no vulnerability is linked to it. There is no flaw an attacker can use under this ID.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"withdrawn","published_at":"2026-11-05T16:17:04+00:00","first_seen_at":"2026-11-05T16:39:51+00:00","triaged_at":"2026-11-05T16:45:42+00:00","updated_at":"2026-11-05T16:45:42+00:00","category":"other","confidence":0.9,"triage":{"at":"2026-11-05T16:45:42Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"CVE-2021-21097 was rejected and withdrawn; no vulnerability exists","impact":"low","summary":"This identifier was reserved but never published, and its record was rejected by NVD because no vulnerability is linked to it. There is no flaw an attacker can use under this ID.","audience":"developers","category":"other","nicknames":[],"who_cares":[],"confidence":0.9,"fix_status":"none","needs_auth":"unknown","worst_case":"unknown","analyst_note":"","how_to_check":"unknown","plain_action":"","needs_analyst":false,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000556,"input_tokens":4166,"output_tokens":279,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-05':66C '-11':65C '-2021':2A,12A,15A '-21097':3A,13A,16A '2026':64C 'attack':43B 'cve':1A,11A,14A 'exist':10A 'flaw':41B 'id':48B,52C 'identifi':18B 'link':35B,57C 'never':22B,53C 'nvd':30B 'publish':23B,54C 'quota':62C 'reason':50C 'reclaim':63C 'record':26B 'reject':5A,28B,49C 'reserv':20B,51C 'ticket':61C 'use':45B 'vuln':60C 'vulner':9A,33B 'withdrawn':7A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["other","unknown"],"campaign_type":null,"first_public_at":"2026-11-05T16:17:04+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2021-21097","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21097","severity":null,"published_at":"2026-11-05T16:17:04+00:00","modified_at":"2026-11-05T16:17:04+00:00","first_seen_at":"2026-11-05T16:39:51+00:00","fetched_at":"2026-11-05T16:39:51+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}