CVE-2020-3387

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to execute code with root privileges on an affected system. The vulnerability is due to insufficient input sanitization during user authentication processing. An attacker could exploit this vulnerability by sending a crafted response to the Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to access the software and execute commands they should not be authorized to execute.

• CWE-20
• CWE-20

• http://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanrce-4jtWT28PVendor Advisory
• http://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanrce-4jtWT28PVendor Advisory

Published

Jul 16, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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