Cisco Security Advisory - Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability

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Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability

<p>Multiple Cisco&nbsp;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.</p>
<p>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.</p>
<p>Cisco&nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.</p>
<p>This advisory is available at the following link:<br><a href="https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq" target="_blank" rel="noopener">https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq</a></p>

     
         
Security Impact Rating:  Medium
   
   
       
CVE: CVE-2021-1236
Source: Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability