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Improper Handling of Exceptional Conditions

CVE-2019-6844

Medium
4.9/10

Summary

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.

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

CWE-755 - Improper Handling of Exceptional Conditions

The software does not handle or incorrectly handles an exceptional condition.

References

Advisory Timeline

  • Published