CVE-2024-38821: Authorization Bypass of Static Resources in WebFlux Applications

9.1 CVSS

Description

Spring WebFlux applications that have Spring Security authorization rules on static resources can be bypassed under certain circumstances.

For this to impact an application, all of the following must be true:

* It must be a WebFlux application
* It must be using Spring's static resources support
* It must have a non-permitAll authorization rule applied to the static resources support

Classification

CVE ID: CVE-2024-38821

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.1

Affected Products

Vendor: Spring

Product: Spring

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.72% (scored less or equal to compared to others)

EPSS Date: 2025-02-21 (when was this score calculated)

References

https://spring.io/security/cve-2024-38821

Timeline