CVE-2022-20766 - CVE House
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Status published Medium CVE-2022-20766

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

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Cisco Analog Telephone Adaptor (ATA) Software
Vulnerable Versions:
2.16(1), 2.16(2), 2.1(6), 2.14, 3.2(0), 1.1(4), 2.1(5), 3.2(1), 2.15, 1.0(0), 1.34, 3.1(1), 3.2(4), 3.0(0), 3.2(3), 3.1(0), 3.1(2), 1.2.1, 1.2.2, 1.2.2 SR1, 1.1.2, 1.1.0, 1.1.1, 9.0(3), 9.2(3), 9.2(1), 12.0.1 SR2, 11.1.0, 12.0.1 SR1, 11.1.0 MSR1, 12.0.1, 11.1.0 MSR2, 11.1.0 MSR3, 1.2.2 SR2, 11.1.0 MSR4, 12.0.1 SR3, 11.2.1, 12.0.1 SR4

Timeline

Official Publish: November 15th, 2024
Last Modified: November 15th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)