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.
Metrics
Affected Vendors & Products
References
History
No history.
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
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-04-21T19:15:08.793
Modified: 2023-11-07T03:42:59.850
Link: CVE-2022-20804
Redhat
No data.