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CVE-2023-20873: Spring Boot Security Bypass with Wildcard Pattern Matching on Cloud Foundry

April 20, 2023 (updated April 24, 2023)

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

References

  • github.com/advisories/GHSA-g5h3-w546-pj7f
  • github.com/spring-projects/spring-boot/commit/32444fed4b51cc58dc908467f706102d7f0bfc15
  • github.com/spring-projects/spring-boot/commit/3522714c13b47af03bf42e7f2d5994af568cb1a7
  • github.com/spring-projects/spring-boot/releases/tag/v2.7.11
  • github.com/spring-projects/spring-boot/releases/tag/v3.0.6
  • nvd.nist.gov/vuln/detail/CVE-2023-20873
  • spring.io/security/cve-2023-20873

Code Behaviors & Features

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Affected versions

All versions before 2.7.11, all versions starting from 3.0.0 before 3.0.6

Fixed versions

  • 2.7.11
  • 3.0.6

Solution

Upgrade to versions 2.7.11, 3.0.6 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Source file

maven/org.springframework.boot/spring-boot-actuator-autoconfigure/CVE-2023-20873.yml

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