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Uncontrolled Resource Consumption

CVE-2021-1721

Medium
6.5/10

Summary

A denial-of-service vulnerability exists when creating HTTPS web request during X509 certificate chain building. Affected versions of .NET and .NET Core are: all before 2.1.25, all 2.2.x, all 3.x before 3.1.12 and 5.x before 5.0.3. Powershell is affected on all versions before 7.0.5 and 7.1.x before 7.1.2

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

CWE-400 - Uncontrolled resource consumption

An uncontrolled resource allocation attack (also known as resource exhaustion attack) triggers unauthorized overconsumption of the limited resources in an application, such as memory, file system storage, database connection pool entries, and CPU. This may lead to denial of service for valid users and degradation of the application's functionality as well as that of the host operating system.

References

Advisory Timeline

  • Published