A significant security vulnerability has been identified in IBM Aspera Faspex 5, a popular file exchange solution.
The flaw, designated as CVE-2025-3423, allows attackers to inject malicious JavaScript into the web interface, potentially compromising sensitive user data.
Vulnerability Details
The vulnerability is classified as a DOM-based Cross-Site Scripting (XSS) issue. It enables authenticated users to embed arbitrary JavaScript code within the application’s Web UI.
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Once executed, this code can alter the intended functionality of the platform, potentially leading to the disclosure of user credentials or other sensitive information during a trusted session.
The Common Weakness Enumeration (CWE) associated with this issue is CWE-79, which pertains to improper neutralization of input during web page generation.
IBM has rated the vulnerability with a CVSS base score of 5.4, indicating moderate severity. The attack vector is remote and requires user interaction, such as clicking on a malicious link crafted by an attacker.
| Aspect | Details | |
| Vulnerability ID | CVE-2025-3423 | |
| Severity | Moderate (CVSS Base Score: 5.4) | |
| Affected Versions | IBM Aspera Faspex 5.0.0 through 5.0.11 | |
| Remediation/Fix | Upgrade to version 5.0.12 on Linux platforms | |
Affected Versions
The flaw impacts IBM Aspera Faspex versions 5.0.0 through 5.0.11. Users running these versions are strongly advised to take immediate action to mitigate potential risks/
IBM has released an update to address this vulnerability. Users should upgrade to version 5.0.12 of IBM Aspera Faspex on Linux platforms to eliminate the risk posed by CVE-2025-3423. The patch can be downloaded from IBM’s official support page.
Unfortunately, no workarounds or mitigations are available for users unable to immediately apply the fix. This makes upgrading to the latest version critical for maintaining security.
Exploitation of this vulnerability could allow attackers to execute malicious scripts in a user’s browser session, leading to unauthorized access or theft of sensitive information such as login credentials.
While no public proof-of-concept exploit has been reported yet, the vulnerability’s remote exploitability heightens its potential risk.
IBM disclosed this vulnerability on April 11, 2025, through its security bulletin platform and has provided detailed remediation guidance.Â
The issue underscores the importance of proactive vulnerability management in safeguarding enterprise systems.
By addressing this flaw promptly, organizations can minimize the risk of exploitation and maintain trust in their file exchange operations powered by IBM Aspera Faspex.
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