Yonyou U8 Cloud <=5.1sp Unrestricted Upload via Request Header Handler
CVE-2025-12344 Published on October 28, 2025
Yonyou U8 Cloud Request Header NCloudGatewayServlet unrestricted upload
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.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
What is an Unrestricted File Upload Vulnerability?
The software allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.
CVE-2025-12344 has been classified to as an Unrestricted File Upload vulnerability or weakness.
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2025-12344 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2025-12344
Want to know whenever a new CVE is published for Yonyou U8 Cloud? stack.watch will email you.
Affected Versions
Yonyou U8 Cloud:- Version 2.0 is affected.
- Version 2.1 is affected.
- Version 2.3 is affected.
- Version 2.5 is affected.
- Version 2.6 is affected.
- Version 2.7 is affected.
- Version 2.65 is affected.
- Version 3.0 is affected.
- Version 3.1 is affected.
- Version 3.2 is affected.
- Version 3.5 is affected.
- Version 3.6 is affected.
- Version 3.6sp is affected.
- Version 5.0 is affected.
- Version 5.0sp is affected.
- Version 5.1 is affected.
- Version 5.1sp is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.