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Operation on a Resource after Expiration or Release

CVE-2020-15270

Medium
4.3/10

Summary

Parse Server (npm package parse-server) before 4.4.0 broadcasts events to all clients without checking if the session token is valid. This allows clients with expired sessions to still receive subscription objects. It is not possible to create subscription objects with invalid session tokens.

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

CWE-672 - Operation on a Resource after Expiration or Release

The software uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.

References

Advisory Timeline

  • Published