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CVE-2025-34040

CRITICAL Exploitation: PoC
10.0
CVSS 4.0
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.

Metadata

CVE ID
CVE-2025-34040
State
PUBLISHED
Assigner
VulnCheck
Reserved
2025-04-15 19:15 UTC
Published
2025-06-24 01:12 UTC
Last updated
2026-05-14 02:07 UTC
Primary CWE
CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product
Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) / Zhiyuan OA Web Application System
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Seeyon (Beijing Zhiyuan Internet Software Co., Ltd.) Zhiyuan OA Web Application System — 5.0, 5.1 ≤ 5.6sp1, 6.0 ≤ 6.1sp2, 7.0 …
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-434 cna CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS scores (1)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References (4)
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