Spring Cloud Gateway X-Forwarded-For header injection via untrusted proxies
CVE-2025-41235 Published on May 30, 2025
CVE-2025-41235: Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies
Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies.
Vulnerability Analysis
CVE-2025-41235 can be exploited with network access, and does not require authorization privileges or user interaction. 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
What is a HTTP Request Smuggling Vulnerability?
When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.
CVE-2025-41235 has been classified to as a HTTP Request Smuggling vulnerability or weakness.
Products Associated with CVE-2025-41235
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Affected Versions
VMware Spring cloud Gateway:- Version 2.2.10.RELEASE - 4.2.2, 4.3.0-{M1, M2, RC1} and below 4.3.0, 4.2.3, 4.1.8, 4.0.12, 3.1.10 is affected.
- Version 4.1.7 - 4.2.2, 4.3.0-{M1, M2, RC1} and below 4.3.0, 4.2.3, 4.1.8 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.