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CVE-2026-20131— Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability

CVSS 10.0 · Critical KEV · Ransomware EPSS 1.34% · P80
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I. Basic Information for CVE-2026-20131

Vulnerability Information
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Vulnerability Title
Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Java byte stream. An attacker could exploit this vulnerability by sending a crafted serialized Java object to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary code on the device and elevate privileges to root. Note: If the FMC management interface does not have public internet access, the attack surface that is associated with this vulnerability is reduced.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Secure Firewall Management Center 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Firewall Management Center是美国思科（Cisco）公司的一个强大的网络安全管理工具。 Cisco Secure Firewall Management Center存在代码问题漏洞，该漏洞源于对用户提供的Java字节流进行不安全的反序列化，可能导致未经验证的远程攻击者执行任意代码并提升权限至root。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
CiscoCisco Secure Firewall Management Center (FMC) 7.0.0 -

II. Public POCs for CVE-2026-20131

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III. Intelligence Information for CVE-2026-20131

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

CVE-2026-2007910.0 CRITICALCisco Secure Firewall Management Center 安全漏洞
CVE-2026-200828.6 HIGHCisco Secure Firewall Adaptive Security Appliance 安全漏洞
CVE-2026-200398.6 HIGHCisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentica
CVE-2026-201018.6 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure FTD Software 安全特征问题漏洞
CVE-2026-201038.6 HIGHCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-200028.1 HIGHCisco Secure Firewall Management Center SQL注入漏洞
CVE-2026-201057.7 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-2026-200497.7 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-2026-200256.8 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验
CVE-2026-200506.8 MEDIUMCisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability
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 Software SQL Injection Vulnerabilities
CVE-2026-200226.1 MEDIUMCisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-201496.1 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

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

IV. Related Vulnerabilities

Same product: Cisco Secure Firewall Management Center (FMC)
Same vendor: Cisco
Same weakness: CWE-502

V. Comments for CVE-2026-20131

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