Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) for Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to execute code, cause the service to reload unexpectedly, or cause Cisco Discovery Protocol or LLDP database corruption on an affected device.
Note: Cisco Discovery Protocol and LLDP are a Layer 2 protocols. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
For more information about these vulnerabilities, see the Details section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs
Security Impact Rating: Medium
CVE: CVE-2022-20686,CVE-2022-20687,CVE-2022-20688,CVE-2022-20689,CVE-2022-20690,CVE-2022-20691,CVE-2022-20766
Source:: Cisco Security Advisories