CVE-2022-20766

Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco Discovery Protocol Denial of Service Vulnerability

Published Nov 15, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability in the Cisco&nbsp;Discovery Protocol functionality of Cisco&nbsp;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&nbsp;Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco&nbsp;Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco&nbsp;has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-26016 A vulnerability in the Cisco&nbsp;Discovery Protocol functionality of Cisco&nbsp;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&nbsp;Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco&nbsp;Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco&nbsp;has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.
History
Type Values Removed Values Added
First Time appeared Cisco
Cisco ata 190 Firmware
CPEs cpe:2.3:o:cisco:ata_190_firmware:*:*:*:*:*:*:*:*
Vendors & Products Cisco
Cisco ata 190 Firmware
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability in the Cisco&nbsp;Discovery Protocol functionality of Cisco&nbsp;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&nbsp;Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco&nbsp;Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco&nbsp;has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.
Title Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco Discovery Protocol Denial of Service Vulnerability
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Nov 15, 2024, 9:07 PM
Reserved
Nov 2, 2021, 1:28 PM
Status
Deferred
Published
Nov 15, 2024, 4:15 PM
Modified
Jun 17, 2026, 4:25 AM