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Observable Discrepancy

CVE-2021-3642

Medium
5.3/10

Summary

A flaw was found in Wildfly Elytron where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality. This flaw affects Wildfly Elytron versions prior to 1.10.14.Final, prior to 1.15.5.Final, prior to 1.16.1.Final and versions 2.0.0.Alpha1 up to 2.0.0.Alpha10.

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

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

Advisory Timeline

  • Published