CVE-2022-20766

A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to an out-of-bounds read when processing Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.

Score

CVSS 3.1 5.3 Medium

Status

Deferred - psirt@cisco.com

Published

2024-11-15

Last modified

2024-11-15

Weaknesses

CWE-125

Affected products

• Ata 190 Firmware (Cisco)
• Cisco Analog Telephone Adaptor Ata Software (Cisco)

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs