IBM Navigator for i <7.5 – Host Header Injection via HTTP header neutralization
CVE-2025-2950 Published on April 18, 2025
IBM i improper HTTP header neutralization
IBM i 7.3, 7.4, 7.5, and 7.5 is vulnerable to a host header injection attack caused by improper neutralization of HTTP header content by IBM Navigator for i. An authenticated user can manipulate the host header in HTTP requests to change domain/IP address which may lead to unexpected behavior.
Vulnerability Analysis
CVE-2025-2950 is exploitable 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 a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Neutralization of HTTP Headers for Scripting Syntax
The application does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.
Products Associated with CVE-2025-2950
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Affected Versions
IBM i:- Version 7.3 is affected.
- Version 7.4 is affected.
- Version 7.5 is affected.
- Version 7.6 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.