Sightings

Author Source Vulnerability Type Date Other
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-04-13) CVE-2021-20028 exploited 2026-04-13 00:00:00
automation The Shadowserver (honeypot/common-vulnerabilities) - (2026-04-05) CVE-2021-20028 seen 2026-04-05 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-02-24) CVE-2021-20028 exploited 2026-02-24 00:00:00
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/0aa85098-fe7e-421c-b01d-339de248e3f8 CVE-2021-20023 exploited 2026-02-02 12:29:03
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/facc46a1-ecb0-4dac-a1c0-f0d1866bb91f CVE-2021-20022 exploited 2026-02-02 12:29:03
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/e4456d40-0d4c-4f9a-9da6-05f0101bf789 CVE-2021-20021 exploited 2026-02-02 12:29:03
cedric https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/379199fc-7758-4b6d-ad81-d800954cb401 CVE-2021-20028 exploited 2026-02-02 12:27:55
automation The Shadowserver (honeypot/common-vulnerabilities) - (2025-12-18) CVE-2021-20028 seen 2025-12-18 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-16) CVE-2021-20028 exploited 2025-12-16 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-09-30) CVE-2021-20028 exploited 2025-09-30 00:00:00
displaying 1 - 10 sightings in total 47

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

Sightings Sources.