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Improper Restriction of Excessive Authentication Attempts

CVE-2019-20031

Severity High
Score 9.1/10

Summary

NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.

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

CWE-307 - Improper Restriction of Excessive Authentication Attempts

The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.

References

Advisory Timeline

  • Published