Security Advisory WSO2-2021-1592

Published: July 12, 2022

Version: 1.0.0

Severity: Medium

CVSS Score: 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)


  • WSO2 API Manager : 3.0.0 , 3.1.0 , 3.2.0 , 4.0.0


reCAPTCHA validation fails during the authentication.


Due to the improper implementation of the CaptchaFilter, the reCAPTCHA validation fails during the authentication.


By leveraging the identified issue, a malicious actor could run the automation script to perform brute force attacks in order to find the user credentials of a particular victim.


If the latest version of the affected WSO2 product is not mentioned under the affected product list, you may migrate to the latest version to receive security fixes. Otherwise you may apply the relevant fixes to the product based on the public fix:


If you are a WSO2 customer with a support subscription, use WSO2 Updates in order to apply the fix.