CVE-2021-43136

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-798

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

Published: Nov 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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