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I. Basic Information for CVE-2025-20281
Vulnerability Information
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Vulnerability Title
Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
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: 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
输出中的特殊元素转义处理不恰当(注入)
Source: NVD (National Vulnerability Database)
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，该漏洞源于输入验证不足，可能导致执行任意代码。
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)
Affected Products
VendorProductAffected VersionsCPESubscribe
CiscoCisco Identity Services Engine Software 3.3.0 -
II. Public POCs for CVE-2025-20281
#POC DescriptionSource LinkShenlong Link
1Unauthenticated Python PoC for CVE-2025-20281 RCE against ISE ERS APIhttps://github.com/abrewer251/CVE-2025-20281-2-Cisco-ISE-RCEPOC Details
2This script checks for the presence of the **CVE-2025-20281** vulnerability in Cisco Identity Services Engine (ISE) and ISE-PIC, which allows **unauthenticated remote code execution (RCE)** as root due to insufficient input validation in a specific API.https://github.com/grupooruss/CVE-2025-20281-CiscoPOC Details
3Unauthenticated Remote Code Execution exploit for CVE-2025-20281 in Cisco ISE ERS API. Execute commands or launch reverse shells as root — no authentication required.https://github.com/ill-deed/Cisco-CVE-2025-20281-illdeedPOC Details
4CVE-2025-20281https://github.com/B1ack4sh/Blackash-CVE-2025-20281POC Details
5A 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. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-20281.yamlPOC Details
6CVE-2025-20281https://github.com/Ashwesker/Blackash-CVE-2025-20281POC Details
7CVE-2025-20281https://github.com/Ashwesker/Ashwesker-CVE-2025-20281POC Details
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III. Intelligence Information for CVE-2025-20281
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IV. Related Vulnerabilities
Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-74
V. Comments for CVE-2025-20281

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