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CVE-2025-34040

Seeyon Zhiyuan OA System Path Traversal File Upload

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
1 on Exploit-DB, 1 proof of concept on GitHub, 1 Nuclei template
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: total

  3. Public exploit on Exploit-DB

    EDB-52490

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Zhiyuan OA Web Application System

    From 5.1 · through 5.6sp1; From 6.0 · through 6.1sp2; From 7.0sp1 · through 7.1; From 8.0 · through 8.0sp2

References 7

service.seeyon.com

cnblogs.com

cnvd.org.cn

vulncheck.com

Exploit-DB

GitHub · projectdiscovery/nuclei-templates

GitHub · jisi-001/CVE-2025-34040Exp