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TI-2025-11321 Aliases CVE-2025-12344GHSA-2xvr-434q-cr2p

Yonyou U8 Cloud Request Header NCloudGatewayServlet unrestricted upload

Priority MEDIUM 57CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0026 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YonyouU8 Cloud2.0; 2.1; 2.3; 2.5; 2.6; 2.7; 2.65; 3.0; 3.1; 3.2; 3.5; 3.6; 3.6sp; 5.0; 5.0sp; 5.1; 5.1sp—No fix listedCNA
  • U8 Cloud VendorYonyou Affected 2.0; 2.1; 2.3; 2.5; 2.6; 2.7; 2.65; 3.0; 3.1; 3.2; 3.5; 3.6; 3.6sp; 5.0; 5.0sp; 5.1; 5.1sp Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-12344
  2. 2026-10-03 Alias added: GHSA-2xvr-434q-cr2p

References

Exploit 1

  • TI-2025-24208 Yonyou NC BeanShell Command Injection CVSS 4.0CRITICAL 10.0
  • TI-2024-38464 Yonyou U8 CRM SQL Injection via fillbacksettingedit.php CVSS 4.0CRITICAL 9.3
  • TI-2023-30648 Yonyou U8 Cloud Java Deserialization RCE via FileManageServlet CVSS 4.0CRITICAL 9.3
  • TI-2015-08097 Seeyon A6 OA Unauthenticated SQL Injection via downloadAtt.jsp CVSS 4.0HIGH 8.7
  • TI-2026-63446 Yonyou KSOA search_list.jsp sql injection CVSS 4.0MEDIUM 6.9
  • TI-2026-00906 Yonyou KSOA HTTP GET Parameter user_popedom.jsp sql injection CVSS 4.0MEDIUM 6.9
See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences