CVE-2025-20337— Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
Quick assessment
Affected
Cisco Cisco Identity Services Engine Software
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 ISE和Cisco ISE-PIC都是美国思科（Cisco）公司的产品。Cisco ISE是一个 NAC 解决方案。用于管理零信任架构中的端点、用户和设备对网络资源的访问。Cisco ISE-PIC是一个组件。 Cisco ISE和Cisco ISE-PIC存在注入漏洞，该漏洞源于用户输入验证不足，可能导致未经验证的远程攻击者以root权限执行任意代码。
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-20337
Vulnerability Information
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Vulnerability Title
Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.
Source: 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:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco ISE和Cisco ISE-PIC 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ISE和Cisco ISE-PIC都是美国思科（Cisco）公司的产品。Cisco ISE是一个 NAC 解决方案。用于管理零信任架构中的端点、用户和设备对网络资源的访问。Cisco ISE-PIC是一个组件。 Cisco ISE和Cisco ISE-PIC存在注入漏洞，该漏洞源于用户输入验证不足，可能导致未经验证的远程攻击者以root权限执行任意代码。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.3.0 | - |
|
| Cisco | Cisco ISE Passive Identity Connector | 3.2.0 | - |
|
II. Public POCs for CVE-2025-20337
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/barbaraeivyu/CVE-2025-20337-EXP | POC Details |
| 2 | CVE-2025-20337 | https://github.com/B1ack4sh/Blackash-CVE-2025-20337 | POC Details |
| 3 | CVE-2025-20337 | https://github.com/Ashwesker/Blackash-CVE-2025-20337 | POC Details |
| 4 | CVE-2025-20337 | https://github.com/Ashwesker/Ashwesker-CVE-2025-20337 | POC Details |
AI-Generated POC
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default-local-qwen3.6
· 10983 chars
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III. Intelligence Information for CVE-2025-20337
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Same Patch Batch · Cisco · 2025-07-16 · 7 CVEs total
| CVE-2025-20284 | 6.5 MEDIUM | Cisco Identity Services Engine Authenticated Remote Code Execution Vulnerability |
| CVE-2025-20283 | 6.5 MEDIUM | Cisco Identity Services Engine Authenticated Remote Code Execution Vulnerability |
| CVE-2025-20274 | 6.3 MEDIUM | Cisco Unified Intelligence Center Arbitrary File Upload Vulnerability |
| CVE-2025-20288 | 5.8 MEDIUM | Cisco Unified Intelligence Center Server-Side Request Forgery Vulnerability |
| CVE-2025-20272 | 4.3 MEDIUM | Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Blind SQL Inject |
| CVE-2025-20285 | 4.1 MEDIUM | Cisco Identity Services Engine IP Filter Access Restriction for Admin Access Configuration |
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V. Comments for CVE-2025-20337
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