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CVE-2025-20152— ISE restart

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）是美国思科（Cisco）公司的一款环境感知平台（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 Identity Services Engine存在缓冲区错误漏洞，该漏洞源于RADIUS消息处理不当，可能导致拒绝服务攻击。

CVSS 8.6 · High EPSS 0.70% · P51
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I. Basic Information for CVE-2025-20152

Vulnerability Information
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Vulnerability Title
ISE restart
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a specific authentication request to a network access device (NAD) that uses Cisco ISE for authentication, authorization, and accounting (AAA). A successful exploit could allow the attacker to cause Cisco ISE to reload.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Identity Services Engine 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Identity Services Engine（Cisco ISE）是美国思科（Cisco）公司的一款环境感知平台（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 Identity Services Engine存在缓冲区错误漏洞，该漏洞源于RADIUS消息处理不当，可能导致拒绝服务攻击。
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 3.4.0 -

II. Public POCs for CVE-2025-20152

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III. Intelligence Information for CVE-2025-20152

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Same Patch Batch · Cisco · 2025-05-21 · 13 CVEs total

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CVE-2025-20257 6.5 MEDIUM Cisco Secure Network Analytics API Authorization Vulnerability
CVE-2025-20256 6.5 MEDIUM Cisco Secure Network Analytics Manager Server-Side Template Injection Vulnerability
CVE-2025-20250 6.1 MEDIUM Cisco Webex 跨站脚本漏洞
CVE-2025-20247 6.1 MEDIUM Cisco Webex 跨站脚本漏洞
CVE-2025-20246 6.1 MEDIUM Cisco Webex 跨站脚本漏洞
CVE-2025-20258 5.4 MEDIUM Cisco Duo 命令注入漏洞
CVE-2025-20112 5.1 MEDIUM Cisco Unified Communications Products Privilege Escalation Vulnerability
CVE-2025-20267 4.8 MEDIUM Cisco Identity Services Stored Cross-Site Scripting Vulnerability
CVE-2025-20255 4.3 MEDIUM Cisco Webex Meetings 安全漏洞
CVE-2025-20114 4.3 MEDIUM Cisco Unified Intelligence Center Insecure Direct Object Reference Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-125

V. Comments for CVE-2025-20152

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