What’s Vulnerable › Vulnerabilities
CVE-2026-20246: Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability
- Severity: medium (CVSS 6.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-17 · updated 2026-10-26
- Weakness: CWE-269
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
- Cisco Umbrella Insights Virtual Appliance: before 3.8.5 — fixed in 3.8.5
How to fix
Upgrade to a fixed version: Cisco Umbrella Insights Virtual Appliance 3.8.5. Check the vendor advisory for mitigations.
References
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