A vulnerability in the Cisco Discovery Protocol of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, adjacent attacker to cause a kernel panic on an affected system, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect processing of certain Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by continuously sending certain Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a kernel panic on the system that is running the affected software, resulting in a DoS condition.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2022-04-21T18:50:57.188533Z

Updated: 2024-09-16T19:20:42.809Z

Reserved: 2021-11-02T00:00:00

Link: CVE-2022-20804

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-04-21T19:15:08.793

Modified: 2023-11-07T03:42:59.850

Link: CVE-2022-20804

cve-icon Redhat

No data.