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Authentication Bypass Using an Alternate Path or Channel

CVE-2021-32980

High
9.8/10

Summary

Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.

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

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

A product requires authentication, but the product has an alternate path or channel that does not require authentication.

References

Advisory Timeline

  • Published