CVE-2021-1591 (CNNVD-202108-2324)
中文标题:
Cisco Nexus 9500 Series Switches 安全漏洞
英文标题:
Cisco Nexus 9500 Series Switches Access Control List Bypass Vulnerability
漏洞描述
中文描述:
Cisco Nexus 9500 Series Switches是美国思科（Cisco）公司的系列交换机。 Cisco Nexus 9500 Series Switches 中存在安全漏洞，攻击者可以通过该漏洞获取敏感数据。
英文描述:
A vulnerability in the EtherChannel port subscription logic of Cisco Nexus 9500 Series Switches could allow an unauthenticated, remote attacker to bypass access control list (ACL) rules that are configured on an affected device. This vulnerability is due to oversubscription of resources that occurs when applying ACLs to port channel interfaces. An attacker could exploit this vulnerability by attempting to access network resources that are protected by the ACL. A successful exploit could allow the attacker to access network resources that would be protected by the ACL that was applied on the port channel interface.
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 NX-OS Software | n/a | - | - |
cpe:2.3:a:cisco:cisco_nx-os_software:n_a:*:*:*:*:*:*:*
|
| cisco | nx-os | 9.3\(4\) | - | - |
cpe:2.3:o:cisco:nx-os:9.3\(4\):*:*:*:*:*:*:*
|
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
3.1 (cna)
MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
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-2021-1591 |
2025-11-11 15:20:46 | 2025-11-11 07:36:33 |
| NVD | nvd_CVE-2021-1591 |
2025-11-11 14:57:41 | 2025-11-11 07:44:55 |
| CNNVD | cnnvd_CNNVD-202108-2324 |
2025-11-11 15:10:42 | 2025-11-11 07:56:52 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 其他
- cnnvd_id: 未提取 -> CNNVD-202108-2324
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']