by Kastro
Paper/Archive/CVE-2025-34040

CVE-2025-34040

Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Zhiyuan OA Web Application System — Seeyon Zhiyuan OA System Path Traversal File Upload

EPSS 15%public exploitCVSS 10.0
critical.is priorityof 100
59
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 96.8.968 × 2019.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Zhiyuan OA Web Application System5.0–CNA
Zhiyuan OA Web Application System5.1 – 5.6sp1–CNA
Zhiyuan OA Web Application System6.0 – 6.1sp2–CNA
Zhiyuan OA Web Application System7.0–CNA
Zhiyuan OA Web Application System7.0sp1 – 7.1–CNA
Zhiyuan OA Web Application System7.1sp1–CNA
Zhiyuan OA Web Application System8.0 – 8.0sp2–CNA

Scores by source

VulnCheck (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

patchservice.seeyon.com/patchtools/tp.html#/patchList?type=%E5%AE%89%E5%85%A8%E8%A1%A5%E4%B8%81&id=1exploitcnblogs.com/pursue-security/p/17677130.htmlwriteupcnvd.org.cn/flaw/show/CNVD-2021-01627writeupvulncheck.com/advisories/zhiyuan-oa-system-path-traversal-file-uploadrefexploit-db.com/exploits/52490