CVE-2026-20246 – Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability

CVE ID :CVE-2026-20246

Published : June 17, 2026, 4:17 p.m. | 1 hour, 25 minutes ago

Description :A vulnerability in the vmadmin CLI of Cisco Umbrella Virtual Appliance could allow an authenticated, local attacker to elevate privileges on an affected device.

This vulnerability is due to insufficient validation of user-supplied commands. An attacker with vmadmin privileges could exploit this vulnerability by using certain commands at the CLI. A successful exploit could allow the attacker to elevate privileges to root.

Severity: 0.0 | NA

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