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CVE-2026-20136— Cisco Identity Services Engine Authenticated Privilege Escalation Vulnerability

Quick assessment

Affected
Cisco Cisco Identity Services Engine Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Identity Services Engine（Cisco ISE）和Cisco ISE Passive Identity Connector都是美国思科（Cisco）公司的产品。Cisco Identity Services Engine是一款环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。Cisco ISE Passive Identity Connector是一个身份服务引擎被动身份连接器。 Cisco Identity S

CVSS 6.0 · Medium EPSS 0.50% · P40
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I. Basic Information for CVE-2026-20136

Vulnerability Information
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Vulnerability Title
Cisco Identity Services Engine Authenticated Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, local attacker with administrative privileges to perform a command injection attack on the underlying operating system and elevate privileges to root. This vulnerability is due to insufficient validation of user supplied input. An attacker could exploit this vulnerability by providing crafted input to a specific CLI command. A successful exploit could allow the attacker to elevate their privileges to root on the underlying operating system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Identity Services Engine（Cisco ISE）和Cisco ISE Passive Identity Connector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Identity Services Engine（Cisco ISE）和Cisco ISE Passive Identity Connector都是美国思科（Cisco）公司的产品。Cisco Identity Services Engine是一款环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。Cisco ISE Passive Identity Connector是一个身份服务引擎被动身份连接器。 Cisco Identity S
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 Identity Services Engine Software 3.1.0 -

II. Public POCs for CVE-2026-20136

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III. Intelligence Information for CVE-2026-20136

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Same Patch Batch · Cisco · 2026-04-15 · 15 CVEs total

CVE-2026-20147 9.9 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20186 9.9 CRITICAL Cisco Identity Services Engine Multiple Authenticated Remote Code Execution Vulnerability
CVE-2026-20180 9.9 CRITICAL Cisco Identity Services Engine Multiple Remote Code Execution Vulnerability
CVE-2026-20184 9.8 CRITICAL Cisco Webex Meetings Certificate Validation Vulnerability
CVE-2026-20078 6.5 MEDIUM Cisco Unity Connection Arbitrary File Download Vulnerability
CVE-2026-20081 6.5 MEDIUM Cisco Unity Connection Arbitrary File Download Vulnerability
CVE-2026-20170 6.1 MEDIUM Cisco Webex Contact Center 安全漏洞
CVE-2026-20059 6.1 MEDIUM Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability
CVE-2026-20161 5.5 MEDIUM Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability
CVE-2026-20152 5.3 MEDIUM Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability
CVE-2026-20148 4.9 MEDIUM Cisco Identity Services Engine Path Traversal Vulnerability
CVE-2026-20132 4.8 MEDIUM Cisco Identity Services Engine Multiple Cross-Site Scripting Vulnerabilities
CVE-2026-20060 4.7 MEDIUM Cisco Unity Connection Open Redirect Vulnerability
CVE-2026-20061 4.3 MEDIUM Cisco Unity Connection SQL Injection Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-116

V. Comments for CVE-2026-20136

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