CVE-2022-20804
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.
EPSS 0.34% · 26.3th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Unified Communications Manager | n/a |
| cisco | unified_communications_manager | 0, 0 |
Timeline
- Apr 21, 2022 CVE Published
- Apr 22, 2022 EPSS Score
- Jun 11, 2022 EPSS Score
- Aug 1, 2022 EPSS Score
- Sep 20, 2022 EPSS Score
- Nov 9, 2022 EPSS Score
- Dec 29, 2022 EPSS Score
- Feb 17, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 8, 2023 EPSS Score
- May 28, 2023 EPSS Score
- Jul 17, 2023 EPSS Score