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CVE-2026-20009— Cisco Secure Firewall Adaptive Security Appliance 安全漏洞

CVSS 5.3 · Medium EPSS 0.38% · P31

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts
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I. CVE-2026-20009の基本情報

脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
Shenlongの10の質問を表示 ↗

高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。

脆弱性タイトル
Cisco Secure Firewall Adaptive Security Appliance SSH Partial Private Key Authentication Bypass Vulnerability
ソース: CVE Program / CVE List V5
脆弱性説明
A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific user. This vulnerability is due to insufficient validation of user input during the SSH authentication phase. An attacker could exploit this vulnerability by submitting crafted input during SSH authentication to an affected device. A successful exploit could allow the attacker to log in to the device as a specific user without the private SSH key of that user. To exploit this vulnerability, the attacker must possess a valid username and the associated public key. The private key is not required. Notes: Exploitation of this vulnerability does not provide the attacker with root access. The authentication, authorization, and accounting (AAA) configuration command auto-enable is not affected by this vulnerability.  
ソース: CVE Program / CVE List V5
CVSS情報
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
ソース: CVE Program / CVE List V5
脆弱性タイプ
对特殊元素的转义处理不恰当
ソース: CVE Program / CVE List V5
脆弱性タイトル
Cisco Secure Firewall Adaptive Security Appliance 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
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 Software存在安全漏洞，该漏洞源于SSH身份验证阶段用户输入验证不足，可能导致未经身份验证的远程攻击者以特定用户身份登录并执行命令。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
CiscoCisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 -

II. CVE-2026-20009の公開POC

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III. CVE-2026-20009のインテリジェンス情報

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CVE-2026-20009 厂商安全公告 (1)

Same Patch Batch · Cisco · 2026-03-04 · 50 CVEs total

CVE-2026-2007910.0 CRITICALCisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulner
CVE-2026-2013110.0 CRITICALCisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
CVE-2026-200828.6 HIGHCisco Secure Firewall Adaptive Security Appliance 安全漏洞
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-2026-200398.6 HIGHCisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentica
CVE-2026-200028.1 HIGHCisco Secure Firewall Management Center SQL注入漏洞
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-2026-200497.7 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 Decryption Policy Denial of Service Vulnerability
CVE-2026-200206.8 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-2026-200256.8 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 Software SQL Injection Vulnerabilities
CVE-2026-200226.1 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-200236.1 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区

Showing 20 of 50 CVEs. View all on vendor page →

IV. 関連脆弱性

同じ製品: Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
同じベンダー: Cisco
同じ弱点: CWE-138

V. CVE-2026-20009へのコメント

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