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Spring Security Advisories

CVE-2023-20860: Security Bypass With Un-Prefixed Double Wildcard Pattern

HIGH | MARCH 20, 2023 | CVE-2023-20860

Description

Using "**" as a pattern in Spring Security configuration with the mvcRequestMatcher creates a mismatch in pattern matching between Spring Security and Spring MVC, and the potential for a security bypass.

Affected Spring Products and Versions

  • Spring Framework:
    • 6.0.0 to 6.0.6
    • 5.3.0 to 5.3.25
    • Versions older than 5.3 are not affected

Mitigation

The following Spring Framework versions contain fixes for this vulnerability:

  • 6.0.7+
  • 5.3.26+

Credit

This vulnerability was discovered internally.

History

  • 2023-03-20: Initial vulnerability report published.

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