Cisco Security Advisory - Cisco Unified Communications Products Denial of Service Vulnerability

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Cisco Unified Communications Products Denial of Service Vulnerability

<p>A vulnerability in the Cisco&nbsp;Discovery Protocol of Cisco&nbsp;Unified Communications Manager (Unified CM) and Cisco&nbsp;Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, adjacent attacker to cause a kernel panic on an affected system, resulting in a denial of service (DoS) condition.</p>
<p>This vulnerability is due to incorrect processing of certain Cisco&nbsp;Discovery Protocol packets. An attacker could exploit this vulnerability by continuously sending certain Cisco&nbsp;Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a kernel panic on the system that is running the affected software, resulting in a DoS condition.</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-ucm-dos-zHS9X9kD" target="_blank">https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-zHS9X9kD</a></p>

     
         
Security Impact Rating:  Medium
   
   
       
CVE: CVE-2022-20804
Source: Cisco Unified Communications Products Denial of Service Vulnerability