CVE-2021-34791 (CNNVD-202110-1920)

MEDIUM
中文标题:
Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Software）输入验证错误漏洞
英文标题:
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
CVSS分数: 4.7
发布时间: 2021-10-27 18:56:15
漏洞类型: 输入验证错误
状态: PUBLISHED
数据质量分数: 0.30
数据版本: v3
漏洞描述
中文描述:

Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Software）都是美国思科（Cisco）公司的产品。Cisco Firepower Threat Defense是一套提供下一代防火墙服务的统一软件。Cisco Adaptive Security Appliances Software是一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Software）存在安全漏洞，攻击者可利用该漏洞绕过ALG和开放未授权的连接与主机坐落在ALG后面。

英文描述:

Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.

CWE类型:
CWE-358 CWE-20
标签:
（暂无数据）
受影响产品
厂商 产品 版本 版本范围 平台 CPE
Cisco Cisco Adaptive Security Appliance (ASA) Software n/a - - cpe:2.3:a:cisco:cisco_adaptive_security_appliance_(asa)_software:n_a:*:*:*:*:*:*:*
cisco adaptive_security_appliance * - - cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*
cisco firepower_threat_defense * - - cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software * - - cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cisco asa_5512-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5512-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5512-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5512-x_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5505_firmware 009.008 - - cpe:2.3:o:cisco:asa_5505_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5505_firmware 009.015 - - cpe:2.3:o:cisco:asa_5505_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5515-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5515-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5515-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5515-x_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5525-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5525-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5525-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5525-x_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5545-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5545-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5545-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5545-x_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5555-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5555-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5555-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5555-x_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5580_firmware 009.008 - - cpe:2.3:o:cisco:asa_5580_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5580_firmware 009.015 - - cpe:2.3:o:cisco:asa_5580_firmware:009.015:*:*:*:*:*:*:*
cisco asa_5585-x_firmware 009.008 - - cpe:2.3:o:cisco:asa_5585-x_firmware:009.008:*:*:*:*:*:*:*
cisco asa_5585-x_firmware 009.015 - - cpe:2.3:o:cisco:asa_5585-x_firmware:009.015:*:*:*:*:*:*:*
解决方案
中文解决方案:
（暂无数据）
英文解决方案:
（暂无数据）
临时解决方案:
（暂无数据）
参考链接
20211027 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities vendor-advisory
cve.org
访问
CVSS评分详情
3.1 (cna)
MEDIUM
4.7
CVSS向量: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
机密性
NONE
完整性
LOW
可用性
NONE
时间信息
发布时间:
2021-10-27 18:56:15
修改时间:
2024-11-07 21:43:54
创建时间:
2025-11-11 15:36:55
更新时间:
2025-11-11 15:56:57
利用信息
暂无可利用代码信息
数据源详情
数据源 记录ID 版本 提取时间
CVE cve_CVE-2021-34791 2025-11-11 15:21:00 2025-11-11 07:36:55
NVD nvd_CVE-2021-34791 2025-11-11 14:57:44 2025-11-11 07:45:13
CNNVD cnnvd_CNNVD-202110-1920 2025-11-11 15:10:44 2025-11-11 07:56:57
版本与语言
当前版本: v3
主要语言: EN
支持语言:
EN ZH
安全公告
暂无安全公告信息
变更历史
v3 CNNVD
2025-11-11 15:56:57
vulnerability_type: 未提取 → 输入验证错误; cnnvd_id: 未提取 → CNNVD-202110-1920; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
  • vulnerability_type: 未提取 -> 输入验证错误
  • cnnvd_id: 未提取 -> CNNVD-202110-1920
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:45:13
affected_products_count: 1 → 20; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • affected_products_count: 1 -> 20
  • data_sources: ['cve'] -> ['cve', 'nvd']