CVE-2026-20246 — Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability
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 vulnerab…
Published: 2026-06-17 · CVSS: 6.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7