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CVE-2025-20240

Quick assessment

Affected
Cisco Cisco IOS XE 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 IOS XE Software是美国思科（Cisco）公司的一种网络操作系统。 Cisco IOS XE Software存在安全漏洞，该漏洞源于用户输入清理不当，可能导致反射型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.29% · P20
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I. Basic Information for CVE-2025-20240

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.
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
CWE-692
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XE Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE Software是美国思科（Cisco）公司的一种网络操作系统。 Cisco IOS XE Software存在安全漏洞，该漏洞源于用户输入清理不当，可能导致反射型跨站脚本攻击。
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 IOS XE Software 16.6.1 -

II. Public POCs for CVE-2025-20240

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III. Intelligence Information for CVE-2025-20240

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Vendor Advisories for CVE-2025-20240 (1)

Same Patch Batch · Cisco · 2025-09-24 · 17 CVEs total

CVE-2025-20334 8.8 HIGH Cisco IOS XE 命令注入漏洞
CVE-2025-20315 8.6 HIGH Cisco IOS XE 安全漏洞
CVE-2025-20160 8.1 HIGH Cisco IOS和Cisco IOS XE Software 授权问题漏洞
CVE-2025-20327 7.7 HIGH Cisco IOS 安全漏洞
CVE-2025-20312 7.7 HIGH Cisco IOS XE 安全漏洞
CVE-2025-20352 7.7 HIGH Cisco IOS和Cisco IOS XE Software 安全漏洞
CVE-2025-20311 7.4 HIGH Cisco IOS XE Software 代码问题漏洞
CVE-2025-20314 6.7 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20313 6.7 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20149 6.5 MEDIUM Cisco IOS和Cisco IOS XE 安全漏洞
CVE-2025-20338 6.0 MEDIUM Cisco IOS XE 安全漏洞
CVE-2025-20339 5.8 MEDIUM Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability
CVE-2025-20316 5.3 MEDIUM Cisco IOS XE 访问控制错误漏洞
CVE-2025-20293 5.3 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2025-20365 4.3 MEDIUM Cisco Access Point Software 安全漏洞
CVE-2025-20364 4.3 MEDIUM Cisco Wireless LAN Controller 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco IOS XE Software
Same vendor: Cisco
Same weakness: CWE-692

V. Comments for CVE-2025-20240

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