CVE-2026-20246

medium

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.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-umbrella-priv-esc-F4wJB7AU

Details

Source: Mitre, NVD

Published: 2026-06-17

Updated: 2026-06-22

Risk Information

CVSS v2

Base Score: 5.9

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 6

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00104