CVE-2021-45491

3CX System through 2022-03-17 stores cleartext passwords in a database.

• CWE-312

• http://packetstormsecurity.com/files/166386/3CX-Phone-System-Cleartext-Passwords.htmlThird Party Advisory, VDB Entry
• https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory
• http://packetstormsecurity.com/files/166386/3CX-Phone-System-Cleartext-Passwords.htmlThird Party Advisory, VDB Entry
• https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory

Published

Mar 28, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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