Improper Authorization Allows Retrieval of User Registration Information and OIDC Tokens via Man‑in‑the‑Middle

Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved.

Use of hard-coded credentials issue exists in Ricoh Streamline NX PC Client ver.3.7.2 and earlier. If this vulnerability is exploited, an attacker may obtain LocalSystem Account of the PC where the product is installed. As a result, unintended operations may be performed on the PC.

RICOH Streamline NX versions 3.5.1 to 24R3 are vulnerable to tampering with operation history. If an attacker can perform a man-in-the-middle attack, they may alter the values of HTTP requests, which could result in tampering with the operation history of the product’s management tool.

An issue was discovered in RICOH Streamline NX Client Tool and RICOH Streamline NX PC Client that allows attackers to escalate local privileges.