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External Control of Critical State Data

CVE-2018-15382

Severity High
Score 8.6/10

Summary

A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to generate valid, signed session tokens. The vulnerability is due to a static signing key that is present in all Cisco HyperFlex systems. An attacker could exploit this vulnerability by accessing the static signing key from one HyperFlex system and using it to generate valid, signed session tokens for another HyperFlex system. A successful exploit could allow the attacker to access the HyperFlex Web UI of a system for which they are not authorized.

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

CWE-642 - External Control of Critical State Data

The software stores security-critical state information about its users, or the software itself, in a location that is accessible to unauthorized actors.

References

Advisory Timeline

  • Published