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Weak Password Recovery Mechanism for Forgotten Password

CVE-2018-7811

Severity High
Score 9.8/10

Summary

An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the change password function of the web server

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

CWE-640 - Weak Password Recovery Mechanism for Forgotten Password

The software contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak.

References

Advisory Timeline

  • Published