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Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

CVE-2023-20863

Medium
6.5/10

Summary

In spring framework in versions through 5.2.23.RELEASE, 5.3.0-M1 through 5.3.26, and 6.0.0-M1 through 6.0.7 it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • NONE
  • HIGH

CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

The software constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

References

Advisory Timeline

  • Published