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Reliance on Cookies without Validation and Integrity Checking

CVE-2021-41819

High
7.5/10

Summary

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

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

CWE-565 - Reliance on Cookies without Validation and Integrity Checking

The application relies on the existence or values of cookies when performing security-critical operations, but it does not properly ensure that the setting is valid for the associated user.

References

Advisory Timeline

  • Published