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Tracker / CVE-2021-1236

CVE-2021-1236

Medium 5.3

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.

Affected products and versions

cisco ios_xe · … → 17.4.1
cisco secure_firewall_management_center
cisco secure_firewall_threat_defense · … → 6.5.0.5
snort snort · … → 2.9.14

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References