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CVE-2025-12344

Yonyou U8 Cloud Request Header NCloudGatewayServlet unrestricted upload

MEDIUM
6.3
CVSS Score
Published: October 28, 2025 at 01:32 AM UTC
Updated: October 8, 2026 at 11:10 AM UTC
1 product affected across 1 vendorU8 Cloud

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/?id.330129
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.330129
Third Party Advisory
Source: cverecord
https://vuldb.com/?submit.674532
ExploitIssue Tracking
Source: cverecord
https://github.com/IceSc0rpion/CVE/issues/1

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434CWE-284

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