Beijing Zhiyuan Internet OA up to 8.0sp2 wpsAssistServlet Interface realFileType/fileId unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Beijing Zhiyuan Internet OA up to 8.0sp2. It has been classified as critical. Impacted is an unknown function of the component wpsAssistServlet Interface. The manipulation of the argument realFileType/fileId leads to unrestricted upload. This vulnerability is listed as CVE-2025-34040. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Beijing Zhiyuan Internet OA up to 8.0sp2. It has been rated as critical. This issue affects an unknown code block of the component wpsAssistServlet Interface. The manipulation of the argument realFileType/fileId with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at service.seeyon.com. The identification of this vulnerability is CVE-2025-34040 since 04/15/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (52490) and EUVD (EUVD-2025-19043). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2025 🔍
06/24/2025 +70 days 🔍
06/24/2025 +0 days 🔍
04/07/2026 +287 days 🔍

Sourcesinfo

Advisory: service.seeyon.com
Status: Not defined

CVE: CVE-2025-34040 (🔍)
GCVE (CVE): GCVE-0-2025-34040
GCVE (VulDB): GCVE-100-313703
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/24/2025 08:01
Updated: 04/07/2026 16:04
Changes: 06/24/2025 08:01 (66), 06/24/2025 19:17 (1), 06/27/2025 06:31 (1), 10/31/2025 04:21 (1), 11/18/2025 01:31 (1), 11/20/2025 22:48 (1), 04/07/2026 16:04 (13)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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