CVE-2026-20246
Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability
CVSS Score
6.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-269 |
| Vendor | cisco |
| Product | cisco umbrella insights virtual appliance |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Jun 17, 2026 |
| Last Updated | Jun 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Cisco / Cisco Umbrella Insights Virtual Appliance
2.6.0 2.5.6 2.5 2.4.12 2.7 2.6.2 2.5.5 2.5.4 2.8 2.6.1 2.5.7 1.5.4 1.5.5 1.5.6 2.0.0 2.0.2 2.0.3 2.1.0 2.1.2 2.1.4 2.1.5 2.2 2.2.1 2.3 2.3.1 2.4 2.4.4 2.4.6 2.8.9 3.0 3.1 3.2 2.8.1 2.8.2 2.8.3 2.8.4 2.8.5 3.0.1 3.0.2 3.0.4 3.0.5 3.1.1 3.1.2 3.1.3 3.1.4 3.2.1 3.2.2 3.2.3 3.3 3.3.1 3.3.2 3.3.3 3.3.4 3.4 3.4.1 3.4.2 3.4.3 3.4.4 3.4.5 3.4.6 3.5 2.7.1 2.7.2 2.7.6 2.7.9 2.7.10 3.5.1 3.5.2 3.6.1 3.6.2 3.7 3.7.1 3.8.3