CVE-2021-43136 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 15.7% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 15.73% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-798 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-11-10 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| formalms | formalms |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FormaLMS 2.4.4 - Authentication Bypass | 2021-11-11 |
References
- http://packetstormsecurity.com/files/164930/FormaLMS-2.4.4-Authentication-Bypass.html
- https://blog.hacktivesecurity.com
- https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/
- https://formalms.org
- http://packetstormsecurity.com/files/164930/FormaLMS-2.4.4-Authentication-Bypass.html
- https://blog.hacktivesecurity.com
- https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/
- https://formalms.org
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