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CVE-2026-76423— Cisco ISE API Authentication Bypass Vulnerability

一分钟漏洞结论

影响对象
Cisco Cisco Identity Services Engine Software
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorizat

CVSS 10.0 · Critical
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一、 漏洞 CVE-2026-76423 基础信息

漏洞信息

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Vulnerability Title
Cisco ISE API Authentication Bypass Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Cisco Cisco Identity Services Engine Software 3.1.0 -
Cisco Cisco ISE Passive Identity Connector 3.2.0 -

二、漏洞 CVE-2026-76423 的公开POC

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三、漏洞 CVE-2026-76423 的情报信息

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CVE-2026-76423 其他参考 (1)

同批安全公告 · Cisco · 2026-09-16 · 共 79 条

CVE-2026-20192 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
CVE-2026-76460 10.0 CRITICAL Cisco Identity Services Engine Authentication Bypass Vulnerability
CVE-2026-20130 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
CVE-2026-20332 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20307 9.9 CRITICAL Cisco ISE远程代码执行漏洞
CVE-2026-20234 9.9 CRITICAL Cisco ISE 凭据保护不足漏洞
CVE-2026-20324 9.9 CRITICAL Cisco Secure Firewall Management Center sftunnel Root Arbitrary Code Exectution Vulnerabil
CVE-2026-20325 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Neutra
CVE-2026-20329 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20322 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Access
CVE-2026-20330 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20242 9.8 CRITICAL Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Executio
CVE-2026-20326 9.8 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authent
CVE-2026-20331 9.6 CRITICAL 思科防火墙软件保护机制失效漏洞
CVE-2026-20211 9.1 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20306 9.1 CRITICAL Cisco Identity Services Engine 命令注入漏洞
CVE-2026-20305 9.1 CRITICAL Cisco ISE命令注入漏洞
CVE-2026-20341 9.1 CRITICAL Cisco Secure Firewall Management Center Software sftunnel Deserialization Root Command Exe
CVE-2026-20176 9.1 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20284 9.1 CRITICAL Cisco Identity Search Engine SXP REST API SQL Injection Vulnerability

显示前 20 条，共 79 条。 查看全部 → →

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-290

V. Comments for CVE-2026-76423

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