CVE-2026-20050— Cisco Secure Firewall Threat Defense 安全漏洞
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一、 漏洞 CVE-2026-20050 基础信息
漏洞信息
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Vulnerability Title
Cisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A vulnerability in the Do Not Decrypt exclusion feature of the SSL decryption feature of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management during the inspection of TLS 1.2 encrypted traffic. An attacker could exploit this vulnerability by sending crafted TLS 1.2 encrypted traffic through an affected device. A successful exploit could allow the attacker to cause a reload of an affected device. Note: This vulnerability only affects traffic that is encrypted by TLS 1.2. Other versions of TLS are not affected.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
不恰当的资源关闭或释放
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco Secure Firewall Threat Defense 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Secure Firewall Threat Defense是美国思科（Cisco）公司的一个集成式防火墙平台。 Cisco Secure Firewall Threat Defense存在安全漏洞，该漏洞源于检查TLS 1.2加密流量时内存管理不当，可能导致未经身份验证的远程攻击者发送特制的TLS 1.2加密流量，导致受影响设备重新加载，引发拒绝服务。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Cisco | Cisco Secure Firewall Threat Defense (FTD) Software | 7.0.0 | - |
二、漏洞 CVE-2026-20050 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-20050 厂商安全公告 (1)
同批安全公告 · Cisco · 2026-03-04 · 共 50 条
| CVE-2026-20079 | 10.0 CRITICAL | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2026-20131 | 10.0 CRITICAL | Cisco Secure Firewall Management Center 代码问题漏洞 |
| CVE-2026-20082 | 8.6 HIGH | Cisco Secure Firewall Adaptive Security Appliance 安全漏洞 |
| CVE-2026-20039 | 8.6 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20101 | 8.6 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure FTD Software 安全特征问题漏洞 |
| CVE-2026-20103 | 8.6 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20002 | 8.1 HIGH | Cisco Secure Firewall Management Center SQL注入漏洞 |
| CVE-2026-20014 | 7.7 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20100 | 7.7 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20105 | 7.7 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20049 | 7.7 HIGH | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
| CVE-2026-20062 | 7.2 HIGH | Cisco Secure Firewall Adaptive Security Appliance 安全漏洞 |
| CVE-2026-20025 | 6.8 MEDIUM | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验 |
| CVE-2026-20024 | 6.8 MEDIUM | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区 |
| CVE-2026-20020 | 6.8 MEDIUM | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验 |
| CVE-2026-20064 | 6.5 MEDIUM | Cisco Secure Firewall Threat Defense 代码问题漏洞 |
| CVE-2026-20001 | 6.5 MEDIUM | Cisco Secure Firewall Management Center SQL注入漏洞 |
| CVE-2026-20102 | 6.1 MEDIUM | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 跨站脚 |
| CVE-2026-20149 | 6.1 MEDIUM | Cisco Webex 跨站脚本漏洞 |
| CVE-2026-20022 | 6.1 MEDIUM | Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏 |
显示前 20 条，共 50 条。 查看全部 → →
IV. Related Vulnerabilities
Same product: Cisco Secure Firewall Threat Defense (FTD) Software
- CVE-2026-20064
Cisco Secure Firewall Threat Defense 代码问题漏洞 - CVE-2026-20016
Cisco Secure Firewall Adaptive Security Appliance和Cisco Secu - CVE-2026-20066
Cisco Secure Firewall Threat Defense和Cisco IOS XE Software 资 - CVE-2026-20065
Cisco Secure Firewall Adaptive Security Appliance和Cisco Secu - CVE-2026-20063
Cisco Secure Firewall Threat Defense 参数注入漏洞
Same vendor: Cisco
V. Comments for CVE-2026-20050
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