What’s Vulnerable › Vulnerabilities

CVE-2020-3536: Cisco SD-WAN vManage Cross-Site Scripting Vulnerability

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-08 · updated 2026-06-17
• Weakness: CWE-79

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface.

Affected products

• Cisco Sd-Wan: through 20.1.2; 20.3.1

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-xss-xXeLFpC3
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-xss-xXeLFpC3

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