CVE-2021-43136

An authentication bypass issue in FormaLMS <= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.

• CWE-798

• http://packetstormsecurity.com/files/164930/FormaLMS-2.4.4-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• https://blog.hacktivesecurity.comThird Party Advisory
• https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/Exploit, Third Party Advisory
• https://formalms.orgVendor Advisory
• http://packetstormsecurity.com/files/164930/FormaLMS-2.4.4-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• https://blog.hacktivesecurity.comThird Party Advisory
• https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/Exploit, Third Party Advisory
• https://formalms.orgVendor Advisory

Published

Nov 10, 2021

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.
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