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CVE-2026-20316— Cisco Secure Firewall Management Center Software Static Credential Vulnerability

Quick assessment

Affected
Cisco Cisco Secure Firewall Management Center (FMC)
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco secure firewall management center是美国Cisco公司的一个防火墙集中管理平台。 Cisco Secure Firewall Management Center 7.0.0至10.0.1版本存在信任管理问题漏洞，该漏洞源于存在静态用户凭据，允许未认证远程攻击者利用该凭据登录受影响系统并以低权限用户身份访问敏感数据。

CVSS 5.3 · Medium KEV · Ransomware EPSS 35.10% · P98

Affected Version Matrix 68

VendorProduct Version RangeStatus
Cisco Cisco Secure Firewall Management Center (FMC) 7.0.0 affected
7.0.0.1 affected
7.0.1 affected
7.0.1.1 affected
7.0.2 affected
7.2.0 affected
7.0.2.1 affected
7.0.3 affected
… +60 more rows
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I. Basic Information for CVE-2026-20316

Vulnerability Information
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Vulnerability Title
Cisco Secure Firewall Management Center Software Static Credential Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems. This vulnerability is due to the presence of static user credentials for a low-privileged account. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and access sensitive data as the low-privileged user.  Note: If the FMC management interface does not have public internet access, the attack surface that is associated with this vulnerability is reduced.   Cisco has assigned this security advisory a Security Impact Rating (SIR) of High rather than Medium as the score indicates. The reason is that this vulnerability can be used with other Cisco Secure FMC Software vulnerabilities to elevate privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的口令
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Secure Firewall Management Center 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco secure firewall management center是美国Cisco公司的一个防火墙集中管理平台。 Cisco Secure Firewall Management Center 7.0.0至10.0.1版本存在信任管理问题漏洞，该漏洞源于存在静态用户凭据，允许未认证远程攻击者利用该凭据登录受影响系统并以低权限用户身份访问敏感数据。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Secure Firewall Management Center (FMC) 7.0.0 -

II. Public POCs for CVE-2026-20316

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III. Intelligence Information for CVE-2026-20316

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Vendor Advisories for CVE-2026-20316 (1)

IV. Related Vulnerabilities

Same product: Cisco Secure Firewall Management Center (FMC)
Same vendor: Cisco
Same weakness: CWE-259

V. Comments for CVE-2026-20316

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