CVE-2025-34040
CRITICAL EPSS 96.2%
Published Jun 24, 20251y ago · Modified Jun 17, 20262w ago
10.0 CVSS 4.0
Published Jun 24, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
Description
An arbitrary file upload vulnerability exists in the Zhiyuan OA platform via the wpsAssistServlet interface. The realFileType and fileId parameters are improperly validated during multipart file uploads, allowing unauthenticated attackers to upload crafted JSP files outside of intended directories using path traversal. Successful exploitation enables remote code execution as the uploaded file can be accessed and executed through the web server. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-01 UTC.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
96.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-22 Path Traversal Resource Mgmt
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt
References 5
- service.seeyon.com https://service.seeyon.com/patchtools/tp.html#/patchList?type=%E5%AE%89%E5%85%A8%E8%A1%A5%E4%B8%81&id=1
- vulncheck.com https://vulncheck.com/advisories/zhiyuan-oa-system-path-traversal-file-upload
- cnblogs.com https://www.cnblogs.com/pursue-security/p/17677130.html
- cnvd.org.cn https://www.cnvd.org.cn/flaw/show/CNVD-2021-01627
- exploit-db.com https://www.exploit-db.com/exploits/52490
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.