Vulnerability Bulletins

Cisco Webex Room Phone and Cisco Webex Share Link Layer Discovery Protocol Memory Leak Vulnerability

System information

Affected software Cisco


A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco Webex Room Phone and Cisco Webex Share devices could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient resource allocation. An attacker could exploit this vulnerability by sending crafted LLDP traffic to an affected device. A successful exploit could allow the attacker to exhaust the memory resources of the affected

More info:

Standar resources

Property Value
CVE CVE-2023-20047.

Version history

Version Comments Date
1.0 Advisory issued 2023-01-12
Ministerio de Defensa