What’s Vulnerable › Vulnerabilities

CVE-2020-3401: Cisco SD-WAN vManage Software Path Traversal Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-16 · updated 2026-06-17
• Weakness: CWE-22

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to the affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

Affected products

• Cisco SD-WAN vManage: through 19.2.2

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmandowndir-CVGvdKM3
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmandowndir-CVGvdKM3

Get alerted when CVE-2020-3401 or the next vulnerability affects your stack