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CVE-2025-20216: Cisco Catalyst SD-WAN Manager Reflected HTML Injection Vulnerability
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-07 · updated 2026-06-17
- Weakness: CWE-74
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.
Affected products
- Cisco Catalyst SD-WAN Manager: 17.2.4, 17.2.5, 17.2.6, 17.2.7, 17.2.8, 17.2.9 (+276)
References
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