Mitre CVE database . Common Vulnerabilities and Exposures . Exploit Database.

MITRE

MITRE is a US government-sponsored organization that manages federally funded research and development centers (FFRDC). Its website emphasizes commercial publications and information related to their FFRDCs such as the National Cybersecurity program. It also maintains one of the biggest and widely referenced CVE databases currently available, searchable by the public.

https://cve.mitre.org/