Vulnerability · Published Jun 17, 2026 · Assigned by cisco

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

Medium 6.0

In plain English

A medium-severity privilege mismanagement in Cisco Umbrella Insights Virtual Appliance from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Umbrella Insights Virtual Appliance 2.6.02.5.62.52.4.122.72.6.22.5.52.5.4

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References