Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities<p>Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device.</p>
<p><strong>Note:</strong> Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device.</p>
<p>For more information about these vulnerabilities, see the <a href="#details">Details</a> section of this advisory.</p>
<p>Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.</p>
<p>This advisory is available at the following link:<br><a href="https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH">https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH</a></p>
Security Impact Rating: Critical
CVE: CVE-2022-20812,CVE-2022-20813
Source: Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities (https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20Expressway%20Series%20and%20Cisco%20TelePresence%20Video%20Communication%20Server%20Vulnerabilities&vs_k=1)