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The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this vulnerability may result in unauthorized access to the system, including the potential compromise of administrative accounts and full account takeover. The CVSS score is adjusted to 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) in single-tenant deployments, reflecting that the impact is contained within a single security authority boundary.
Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.
The Secret Type Management REST API does not correctly isolate access controls when deleting a secret type. The on-delete cascade logic, when triggered, fails to enforce organizational boundaries, leading to the removal of secrets associated with that type across all organizations. Exploitation of this vulnerability can result in the unintended deletion of secrets across the entire deployment, potentially causing configuration failures, service interruptions, and a denial-of-service condition. This vulnerability requires delete permissions for the Secret Type Management REST API, which are by default only granted to administrators.