CVE-2025-34040 EXPLOIT
?
unscored · CVSS · EPSS 15.4% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | unscored |
|---|---|
| EPSS | 15.4% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2025-06-24 |
| Last modified | 2026-06-17 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Zhiyuan OA - arbitrary file upload leading | 2026-04-06 |
References
- https://service.seeyon.com/patchtools/tp.html#/patchList?type=%E5%AE%89%E5%85%A8%E8%A1%A5%E4%B8%81&id=1
- https://vulncheck.com/advisories/zhiyuan-oa-system-path-traversal-file-upload
- https://www.cnblogs.com/pursue-security/p/17677130.html
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-01627
- https://www.exploit-db.com/exploits/52490
→ the Explorer · watch your stack · NVD