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Sightings

Recent sightings
Author Source Vulnerability Type Date Other
automation https://t.me/cissp/2886 CVE-2021-21402 published-proof-of-concept 2026-09-12 00:00:41
automation https://t.me/cissp/2886 CVE-2021-21402 published-proof-of-concept 2026-09-11 11:00:04
automation https://t.me/cissp/2886 CVE-2021-21402 seen 2026-09-02 01:04:46
automation https://t.me/cissp/2886 CVE-2021-21402 seen 2026-09-01 17:00:55
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/50859dce-754c-43d7-bd68-16d9f4768a38 CVE-2021-21402 exploited 2026-06-30 09:23:58
automation https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/6dcbb28e-0f39-4bc8-a081-6a4564dc7c60 CVE-2021-21402 exploited 2026-06-23 14:03:22
automation https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/59b8ef5d-9d97-4be7-a0ef-f8273e32828e CVE-2021-21402 exploited 2026-06-19 12:45:59
automation The Shadowserver (honeypot/common-vulnerabilities) - (2026-04-10) CVE-2021-21402 seen 2026-04-10 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-03-26) CVE-2021-21402 exploited 2026-03-26 00:00:00
automation The Shadowserver (honeypot/common-vulnerabilities) - (2026-03-26) CVE-2021-21402 seen 2026-03-26 00:00:00
displaying 1 - 10 sightings in total 18

If a line is highlighted in yellow, it indicates that the vulnerability advisory has not yet been published.

Sightings Sources.