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CVE-2025-46704: CWE-22 in Advantech iView

Medium
VulnerabilityCVE-2025-46704cvecve-2025-46704cwe-22
Published: Thu Jul 10 2025 (07/10/2025, 23:19:32 UTC)
Source: CVE Database V5
Vendor/Project: Advantech
Product: iView

Description

A vulnerability exists in Advantech iView in NetworkServlet.processImportRequest() that could allow for a directory traversal attack. This issue requires an authenticated attacker with at least user-level privileges. A specific parameter is not properly sanitized or normalized, potentially allowing an attacker to determine the existence of arbitrary files on the server.

AI-Powered Analysis

AILast updated: 07/10/2025, 23:47:16 UTC

Technical Analysis

CVE-2025-46704 is a medium-severity directory traversal vulnerability identified in the Advantech iView product, specifically within the NetworkServlet.processImportRequest() function. The vulnerability arises due to improper sanitization or normalization of a specific parameter, allowing an authenticated attacker with at least user-level privileges to perform directory traversal attacks. This means an attacker can manipulate input parameters to access arbitrary files on the server's filesystem beyond the intended directory scope. The vulnerability does not require user interaction but does require authentication, limiting exploitation to users who have some level of access to the system. The CVSS 3.1 base score is 4.3, reflecting a network attack vector with low complexity, requiring privileges but no user interaction, and impacting confidentiality only (allowing file existence disclosure). There is no indication of integrity or availability impact. No known exploits are currently in the wild, and no patches have been published at the time of this report. CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) is the underlying weakness, which is a common issue in web applications that handle file paths without proper validation. The vulnerability could allow attackers to enumerate files on the server, potentially exposing sensitive configuration files or credentials, which could be leveraged for further attacks or reconnaissance.

Potential Impact

For European organizations using Advantech iView, this vulnerability poses a moderate risk primarily to confidentiality. An attacker with valid user credentials could exploit this flaw to probe the server filesystem, potentially discovering sensitive files such as configuration files, credentials, or other proprietary information. While the vulnerability does not directly allow code execution or denial of service, the information disclosure could facilitate subsequent attacks, including privilege escalation or lateral movement within the network. Industrial control systems and critical infrastructure operators in Europe that rely on Advantech iView for monitoring or management could be particularly sensitive to such information leaks, as they may expose operational details or security configurations. The requirement for authentication reduces the risk from external unauthenticated attackers but does not eliminate insider threats or risks from compromised user accounts. Given the strategic importance of industrial automation in European manufacturing and critical infrastructure sectors, this vulnerability could have operational security implications if exploited.

Mitigation Recommendations

1. Immediate mitigation should focus on restricting user privileges to the minimum necessary, ensuring that only trusted users have access to the iView system. 2. Implement strict input validation and sanitization on all parameters that interact with the filesystem, particularly those involved in import or file handling functions. 3. Monitor and audit user activities on the iView system to detect unusual file access patterns that may indicate exploitation attempts. 4. Network segmentation should be enforced to isolate the iView system from broader enterprise networks, limiting the potential impact of compromised credentials. 5. Since no official patch is currently available, consider deploying web application firewalls (WAFs) or intrusion detection systems (IDS) with custom rules to detect and block directory traversal attempts targeting the vulnerable parameter. 6. Engage with Advantech support to obtain timelines for patch releases and apply updates promptly once available. 7. Conduct regular security assessments and penetration tests focusing on file path handling and authentication controls within the iView environment.

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Technical Details

Data Version
5.1
Assigner Short Name
icscert
Date Reserved
2025-07-02T15:12:58.615Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 68704d3ca83201eaacaaa06b

Added to database: 7/10/2025, 11:31:08 PM

Last enriched: 7/10/2025, 11:47:16 PM

Last updated: 8/15/2025, 5:59:55 AM

Views: 29

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