CVE-2025-20216: Cisco Catalyst SD-WAN Manager Reflected HTML Injection Vulnerability
Description
A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to inject HTML into the browser of an authenticated user.
This vulnerability is due to improper sanitization of input to the web interface. An attacker could exploit this vulnerability by convincing an authenticated user to click a malicious link. A successful exploit could allow the attacker to inject HTML into the browser of an authenticated Cisco Catalyst SD-WAN Manager user.
Classification
CVE ID: CVE-2025-20216
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.7
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Problem Types
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Affected Products
Vendor: Cisco
Product: Cisco Catalyst SD-WAN Manager
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 13.61% (scored less or equal to compared to others)
EPSS Date: 2025-05-13 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-20216https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-html-inj-GxVtK6zj