PT-2022-5300 · Cisco · Cisco Ata 190 Series Adaptive Telephone Adapter

Qian Chen · Published 2022-10-05 · Updated 2024-11-18 · CVE-2022-20766

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cisco ATA 190 Series Adaptive Telephone Adapter firmware (affected versions not specified)

Description A vulnerability in the Cisco Discovery Protocol functionality could allow an unauthenticated, remote attacker to cause a Denial of Service (DoS) condition on an affected device. This issue is due to an out-of-bounds read when processing Cisco Discovery Protocol packets. An attacker could exploit this by sending crafted packets to an affected device, potentially causing a service restart.

Recommendations For the Cisco ATA 190 Series Adaptive Telephone Adapter firmware, update to the latest firmware version released by Cisco that addresses this issue. As a temporary workaround, consider restricting access to the Cisco Discovery Protocol functionality until a patch is available.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2022-06585

CVE-2022-20766

Affected Products

Cisco Ata 190 Series Adaptive Telephone Adapter

References · 5

• https://bdu.fstec.ru/vul/2022-06585 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20766 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs · Note
• https://twitter.com/CVEnew/status/1857458736127738057 · Twitter Post