CVE-2020-3221
Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability
- State
- Published
- Severity
- 8.6 High
- Published
- Jun 3, 2020
- Updated
- Nov 15, 2024
- Reserved
- Dec 12, 2019
Description
A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of parameters in a Flexible NetFlow Version 9 record. An attacker could exploit this vulnerability by sending a malformed Flexible NetFlow Version 9 packet to the Control and Provisioning of Wireless Access Points (CAPWAP) data port of an affected device. An exploit could allow the attacker to trigger an infinite loop, resulting in a process crash that would cause a reload of the device.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 8.6 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | cisco |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Cisco IOS XE Software 16.10.1Cisco |
|
References
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