CVE-2020-3221 (CNNVD-202006-344)
中文标题:
Cisco Catalyst 9800 Series Wireless Controllers IOS XE 输入验证错误漏洞
英文标题:
Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability
漏洞描述
中文描述:
Cisco IOS XE是美国思科(Cisco)公司的一套为其网络设备开发的操作系统。 Cisco Catalyst 9800 Series Wireless Controllers中的IOS XE的Flexible NetFlow 9版本数据包处理器存在输入验证错误漏洞。攻击者可通过将格式错误的Flexible NetFlow 9版本数据包发送到受影响设备的CAPWAP数据端口利用该漏洞造成无限循环,导致进程崩溃,进而导致设备重新加载。
英文描述:
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.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Cisco | Cisco IOS XE Software 16.10.1 | n/a | - | - |
cpe:2.3:a:cisco:cisco_ios_xe_software_16.10.1:n_a:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.1 | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.1:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.1a | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.1a:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.1b | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.1b:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.1e | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.1e:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.1s | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.1s:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.10.2 | - | - |
cpe:2.3:o:cisco:ios_xe:16.10.2:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.11.1 | - | - |
cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.11.1a | - | - |
cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.11.1b | - | - |
cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.11.1c | - | - |
cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.11.1s | - | - |
cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.12.1 | - | - |
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.12.1a | - | - |
cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.12.1c | - | - |
cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.12.1s | - | - |
cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*
|
| cisco | ios_xe | 16.12.1t | - | - |
cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
参考链接
cve.org
CVSS评分详情
3.0 (cna)
HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2020-3221 |
2025-11-11 15:20:36 | 2025-11-11 07:36:18 |
| NVD | nvd_CVE-2020-3221 |
2025-11-11 14:56:59 | 2025-11-11 07:44:43 |
| CNNVD | cnnvd_CNNVD-202006-344 |
2025-11-11 15:10:26 | 2025-11-11 07:56:15 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 输入验证错误
- cnnvd_id: 未提取 -> CNNVD-202006-344
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 17
- data_sources: ['cve'] -> ['cve', 'nvd']