CVE-2022-20767 (CNNVD-202204-4511)
中文标题:
Cisco Firepower Threat Defense 资源管理错误漏洞
英文标题:
Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service 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)存在资源管理错误漏洞,该漏洞源于对 DNS 信誉强制规则处理不当。攻击者可利用该漏洞在受影响的设备上造成拒绝服务条件 (DoS)。
英文描述:
A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement rule. An attacker could exploit this vulnerability by sending crafted UDP packets through an affected device to force a buildup of UDP connections. A successful exploit could allow the attacker to cause traffic that is going through the affected device to be dropped, resulting in a DoS condition. Note: This vulnerability only affects Cisco FTD devices that are running Snort 3.
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 | firepower_threat_defense | 7.1.0 | - | - |
cpe:2.3:a:cisco:firepower_threat_defense:7.1.0:*:*:*:*:*:*:*
|
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-2022-20767 |
2025-11-11 15:21:15 | 2025-11-11 07:37:15 |
| NVD | nvd_CVE-2022-20767 |
2025-11-11 14:58:17 | 2025-11-11 07:45:32 |
| CNNVD | cnnvd_CNNVD-202204-4511 |
2025-11-11 15:10:52 | 2025-11-11 07:57:16 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 资源管理错误
- cnnvd_id: 未提取 -> CNNVD-202204-4511
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 3
- data_sources: ['cve'] -> ['cve', 'nvd']