CVE-2025-34040

CVE-2025-34040 vulnerability

Severity

HIGH

EPSS

14.4%

EPSS pct

96th

Exploited

No known

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 vendor

See references

Affected product

See references

Weakness type (CWE)

CWE-22 — Path Traversal
CWE-434 — Unrestricted Upload of File with Dangerous Type

Published

2025-06-24

Risk analysis

Its EPSS score of 14.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2025-34040

Confirm whether the affected software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-34040.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-34040

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