CVE-2025-12344 MEDIUM

CVE-2025-12344: Yonyou U8 Cloud Request Header NCloudGatewayServlet unrestricted upload

Vendor Yonyou
Product U8 Cloud
Weakness CWE-434 · Unrestricted file upload
Published October 28, 2025
Last update October 28, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability has been found in Yonyou U8 Cloud up to 5.1sp. The impacted element is an unknown function of the file /service/NCloudGatewayServlet of the component Request Header Handler. Such manipulation of the argument ts/sign leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

October 28, 2025 CVE published
October 28, 2025 Record updated