CVE-2026-20246
Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability
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.
INFO
Published Date :
June 17, 2026, 4:17 p.m.
Last Modified :
June 17, 2026, 4:17 p.m.
Remotely Exploit :
No
Source :
cisco
Affected Products
The following products are affected by CVE-2026-20246
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Solution
- Apply available patches from Cisco.
- Restrict access to the vmadmin CLI.
- Validate user-supplied commands.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20246 vulnerability anywhere in the article.