Seeyon Zhiyuan OA System Path Traversal File Upload
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) | Zhiyuan OA Web Application System | 5.0; 5.1 – 5.6sp1; 6.0 – 6.1sp2; 7.0; 7.0sp1 – 7.1; 7.1sp1; 8.0 – 8.0sp2 | — | No fix listed | CNA |
- Zhiyuan OA Web Application System VendorSeeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Affected 5.0; 5.1 – 5.6sp1; 6.0 – 6.1sp2; 7.0; 7.0sp1 – 7.1; 7.1sp1; 8.0 – 8.0sp2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34040
- 2026-10-03 Alias added: GHSA-mxx7-67f4-p53j
References
Sources
- CVE-2025-34040 · CVE Program
- CVE-2025-34040 · NVD
- FIRST EPSS
- GHSA-mxx7-67f4-p53j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences