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Sightings

Recent sightings
Author Source Vulnerability Type Date Other
automation The Shadowserver (honeypot/common-vulnerabilities) - (2026-01-11) CVE-2021-40539 seen 2026-01-11 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-01-04) CVE-2021-40539 exploited 2026-01-04 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-31) CVE-2021-40539 exploited 2025-12-31 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-30) CVE-2021-40539 exploited 2025-12-30 00:00:00
automation MISP/6b71daf7-e406-46b8-859d-67b2b2a80a3e CVE-2021-40539 seen 2025-12-09 23:30:57
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-09) CVE-2021-40539 exploited 2025-12-09 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-08) CVE-2021-40539 exploited 2025-12-08 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-11-29) CVE-2021-40539 exploited 2025-11-29 00:00:00
automation The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-11-08) CVE-2021-40539 exploited 2025-11-08 00:00:00
automation MISP/39b2e10d-763c-44e8-a2c5-dee828c98f37 CVE-2021-40539 seen 2025-11-07 14:06:16
displaying 61 - 70 sightings in total 149

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

Sightings Sources.