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CVE-2025-20353— Cisco Catalyst Center Cross-Site Scripting Vulnerability

Quick assessment

Affected
Cisco Cisco Digital Network Architecture Center (DNA Center)
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 Catalyst Center（Cisco DNA Center）是美国思科（Cisco）公司的一个网络管理系统。 Cisco Catalyst Center存在跨站脚本漏洞，该漏洞源于用户输入验证不足，可能导致跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.22% · P12
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I. Basic Information for CVE-2025-20353

Vulnerability Information
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Vulnerability Title
Cisco Catalyst Center Cross-Site Scripting Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco Catalyst Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Catalyst Center 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst Center（Cisco DNA Center）是美国思科（Cisco）公司的一个网络管理系统。 Cisco Catalyst Center存在跨站脚本漏洞，该漏洞源于用户输入验证不足，可能导致跨站脚本攻击。
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 Digital Network Architecture Center (DNA Center) 2.1.1.0 -

II. Public POCs for CVE-2025-20353

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III. Intelligence Information for CVE-2025-20353

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Same Patch Batch · Cisco · 2025-11-13 · 5 CVEs total

CVE-2025-20341 8.8 HIGH Cisco Catalyst Center Privilege Escalation Vulnerability
CVE-2025-20349 6.3 MEDIUM Cisco DNA Center API Command Injection Vulnerability
CVE-2025-20355 4.7 MEDIUM Cisco Catalyst Center Software HTTP Open Redirect Vulnerability
CVE-2025-20346 4.3 MEDIUM Cisco Catalyst Center Privilege Escalation Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Digital Network Architecture Center (DNA Center)
Same vendor: Cisco
Same weakness: CWE-79

V. Comments for CVE-2025-20353

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