IBM has issued a security bulletin regarding a vulnerability in its Aspera Faspex 5 file transfer platform. Identified as CVE-2025-3423, this flaw exposes users to DOM-based cross-site scripting (XSS) attacks.
An authenticated attacker could exploit this vulnerability by embedding arbitrary JavaScript code into the Web UI, potentially leading to the disclosure of sensitive credentials within a trusted session.
The vulnerability affects versions 5.0.0 through 5.0.11 of the software, and IBM strongly recommends updating to version 5.0.12 to mitigate the risk.
Vulnerability Details
The CVE-2025-3423 vulnerability stems from the improper neutralization of user input during web page generation, classified under CWE-79 (“Cross-Site Scripting”).
Attackers can leverage this flaw to trick users into opening malicious URLs, enabling client-side scripts to execute in the browser.
This could alter the intended functionality of the Web UI and expose sensitive credentials.
Technical Specifications
- CVE ID: CVE-2025-3423
- Base CVSS Score: 5.4 (Moderate severity)
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Impact: Confidentiality and integrity at risk; availability remains unaffected.
Affected Products and Versions
The vulnerability impacts the following versions:
- IBM Aspera Faspex 5: Versions 5.0.0 through 5.0.11.
Remediation and Fixes
IBM recommends upgrading to version 5.0.12 of Aspera Faspex to address this issue.
The fix is available for Linux platforms, and users can access it through IBM’s support portal.
| Product | Fixing Version | Platform | Link to Fix |
|---|---|---|---|
| IBM Aspera Faspex | 5.0.12 | Linux | Available via IBM Support |
Workarounds and Mitigations
No workarounds or mitigations are currently available for this vulnerability; applying the patch is essential for securing affected systems.
Implications for Organizations
This vulnerability highlights the importance of timely updates and proactive security measures for software deployed in critical environments such as file transfer services.
While the CVSS score indicates moderate severity, the potential exposure of credentials within trusted sessions could lead to significant security breaches if exploited.
Organizations using affected versions should prioritize patching their systems immediately to prevent exploitation by attackers who may embed malicious scripts into trusted environments.
Acknowledgment and Disclaimer
IBM emphasizes that customers are responsible for assessing the impact of vulnerabilities in their environments using tools like the CVSS calculator provided in the bulletin.
The company provides CVSS scores “as is” without warranties and urges clients to remain vigilant about emerging threats.
Change History
The initial publication of this bulletin occurred on April 11, 2025, marking IBM’s proactive effort in addressing this vulnerability.
Organizations relying on IBM Aspera Faspex should act promptly by applying the recommended update to safeguard their systems against the potential exploitation of CVE-2025-3423.
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