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Improper Handling of Unexpected Data Type

CVE-2022-20730

Severity Medium
Score 4/10

Summary

A vulnerability in the Security Intelligence feed feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the Security Intelligence DNS feed. This vulnerability is due to incorrect feed update processing. An attacker could exploit this vulnerability by sending traffic through an affected device that should be blocked by the affected device. A successful exploit could allow the attacker to bypass device controls and successfully send traffic to devices that are expected to be protected by the affected device.

  • HIGH
  • NETWORK
  • LOW
  • CHANGED
  • NONE
  • NONE
  • NONE
  • NONE

CWE-241 - Improper Handling of Unexpected Data Type

The software does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).

References

Advisory Timeline

  • Published