Improper Handling of Unexpected Data Type
CVE-2022-20730
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