Vulnerabilities > CVE-2021-1236 - Always-Incorrect Control Flow Implementation vulnerability in multiple products

Summary

Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.

Vulnerable Configurations

Common Weakness Enumeration (CWE)

• CWE-670 - Always-Incorrect Control Flow Implementation

References