CVE-2021-1495 (CNNVD-202104-2153)
中文标题:
Cisco Firepower Threat Defense 安全特征问题漏洞
英文标题:
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
漏洞描述
中文描述:
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense (FTD 存在安全特征问题漏洞，该漏洞源于对特定HTTP标头参数的不正确处理导致的。远程攻击者可以发送特制的HTTP数据包，以绕过针对HTTP数据包配置的文件策略，并传递恶意负载。以下产品及版本受到影响：Cisco Firepower Threat Defense (FTD): 6.2.2, 6.2.3, 6.3.0, 6.4.0, 6.5.0, 6.6.0, 6.7.0。
英文描述:
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.
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 Firepower Threat Defense Software | n/a | - | - |
cpe:2.3:a:cisco:cisco_firepower_threat_defense_software:n_a:*:*:*:*:*:*:*
|
| cisco | firepower_threat_defense | * | - | - |
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
|
| cisco | ios_xe | * | - | - |
cpe:2.3:a:cisco:ios_xe:*:*:*:*:*:*:*:*
|
| snort | snort | * | - | - |
cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
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-2021-1495 |
2025-11-11 15:20:45 | 2025-11-11 07:36:33 |
| NVD | nvd_CVE-2021-1495 |
2025-11-11 14:57:36 | 2025-11-11 07:44:55 |
| CNNVD | cnnvd_CNNVD-202104-2153 |
2025-11-11 15:10:37 | 2025-11-11 07:56:42 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 授权问题
- cnnvd_id: 未提取 -> CNNVD-202104-2153
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 4
- data_sources: ['cve'] -> ['cve', 'nvd']