Published: 11th January 27th October 2021
CVSS Score: 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
This vulnerability allows anyone to login if a valid username is known. However, "StartTLSEnabled" is not set to "true" by default. Therefore, a deployment is not impacted unless that configuration is turned on explicitly.
If you are using an affected product version, it is highly recommended to migrate to the latest released version to 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. You Otherwise you may also apply the relevant fixes to the product based on the changes from the public fix: https://github.com/wso2/carbon-kernel/pull/2835
WSO2 thanks, Thomas BIZOUERNEfor responsibly reporting the identified issue and working with us as we addressed it.