IBM Aspera Faspex 5.0.0-5.0.12.1 – RCE via client-side enforcement bypass
CVE-2025-36039 Published on July 31, 2025
IBM Aspera Faspex bypass security
IBM Aspera Faspex 5.0.0 through 5.0.12.1 could allow an authenticated user to perform unauthorized actions due to client-side enforcement of sever side security mechanisms,
Vulnerability Analysis
CVE-2025-36039 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
Client-Side Enforcement of Server-Side Security
The software is composed of a server that relies on the client to implement a mechanism that is intended to protect the server. When the server relies on protection mechanisms placed on the client side, an attacker can modify the client-side behavior to bypass the protection mechanisms resulting in potentially unexpected interactions between the client and server. The consequences will vary, depending on what the mechanisms are trying to protect.
Products Associated with CVE-2025-36039
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Affected Versions
IBM Aspera Faspex:- Version 5.0.0, <= 5.0.12.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.