CVE-2021-34698 (CNNVD-202110-312)
中文标题:
Cisco AsyncOS 安全漏洞
英文标题:
Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability
漏洞描述
中文描述:
Cisco AsyncOS是美国思科（Cisco）公司的一款应用于思科设备的操作系统。 Cisco AsyncOS for Cisco Web Security Appliance存在安全漏洞，该漏洞源于受影响设备的代理服务的内存管理不当造成的。攻击者可以通过与受影响的设备建立大量HTTPS连接来利用该漏洞。如果攻击成功，攻击者可利用该漏洞可能会导致系统停止处理新连接，从而导致拒绝服务攻击。
英文描述:
A vulnerability in the proxy service of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management in the proxy service of an affected device. An attacker could exploit this vulnerability by establishing a large number of HTTPS connections to the affected device. A successful exploit could allow the attacker to cause the system to stop processing new connections, which could result in a DoS condition. Note: Manual intervention may be required to recover from this situation.
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 Web Security Appliance (WSA) | n/a | - | - |
cpe:2.3:a:cisco:cisco_web_security_appliance_(wsa):n_a:*:*:*:*:*:*:*
|
| cisco | asyncos | * | - | - |
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
|
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)
HIGHCVSS:3.1/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-2021-34698 |
2025-11-11 15:21:00 | 2025-11-11 07:36:55 |
| NVD | nvd_CVE-2021-34698 |
2025-11-11 14:57:43 | 2025-11-11 07:45:13 |
| CNNVD | cnnvd_CNNVD-202110-312 |
2025-11-11 15:10:44 | 2025-11-11 07:56:58 |
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-202110-312
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']