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CVE-2026-20082— Cisco Secure Firewall Adaptive Security Appliance 安全漏洞

CVSS 8.6 · High EPSS 0.15% · P36
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一、 漏洞 CVE-2026-20082 基础信息

漏洞信息
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Vulnerability Title
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new, incoming TCP connections that are destined to management or data interfaces when the device is under a TCP SYN flood attack. An attacker could exploit this vulnerability by sending a crafted stream of traffic to an affected device. A successful exploit could allow the attacker to prevent all incoming TCP connections to the device from being established, including remote management access, Remote Access VPN (RAVPN) connections, and all network protocols that are TCP-based. This results in a denial of service (DoS) condition for affected features.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/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
对已超过有效生命周期的资源丧失索引
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco Secure Firewall Adaptive Security Appliance 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Secure Firewall Adaptive Security Appliance是美国思科（Cisco）公司的一个企业级防火墙软件。 Cisco Secure Firewall Adaptive Security Appliance存在安全漏洞，该漏洞源于在TCP SYN泛洪攻击下对新传入TCP连接的处理不当，可能导致未经验证的远程攻击者造成拒绝服务。
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
CiscoCisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4.14 -

二、漏洞 CVE-2026-20082 的公开POC

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三、漏洞 CVE-2026-20082 的情报信息

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同批安全公告 · Cisco · 2026-03-04 · 共 50 条

CVE-2026-2007910.0 CRITICALCisco Secure Firewall Management Center 安全漏洞
CVE-2026-2013110.0 CRITICALCisco Secure Firewall Management Center 代码问题漏洞
CVE-2026-200398.6 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201038.6 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201018.6 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure FTD Software 安全特征问题漏洞
CVE-2026-200028.1 HIGHCisco Secure Firewall Management Center SQL注入漏洞
CVE-2026-200497.7 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-200147.7 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201057.7 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201007.7 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-200627.2 HIGHCisco Secure Firewall Adaptive Security Appliance 安全漏洞
CVE-2026-200506.8 MEDIUMCisco Secure Firewall Threat Defense 安全漏洞
CVE-2026-200256.8 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验
CVE-2026-200246.8 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区
CVE-2026-200206.8 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验
CVE-2026-200646.5 MEDIUMCisco Secure Firewall Threat Defense 代码问题漏洞
CVE-2026-200016.5 MEDIUMCisco Secure Firewall Management Center SQL注入漏洞
CVE-2026-200226.1 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201496.1 MEDIUMCisco Webex 跨站脚本漏洞
CVE-2026-200236.1 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区

显示前 20 条，共 50 条。 查看全部 → →

IV. Related Vulnerabilities

Same product: Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-772

V. Comments for CVE-2026-20082

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