Detections
Analytics
Cisco Umbrella Virtual Appliance < 3.8.5 Privilege Escalation (cisco-sa-umbrella-priv-esc-F4wJB7AU)
medium Nessus Plugin ID 321926
Language:
Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco Umbrella Insights Virtual Appliance is affected by a vulnerability.- 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.
(CVE-2026-20246)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to Cisco Umbrella Virtual Appliance version 3.8.5 or later.See Also
Plugin Details
Severity: Medium
ID: 321926
File Name: cisco-sa-umbrella-priv-esc-F4wJB7AU.nasl
Version: 1.2
Type: Combined
Family: CISCO
Published: 6/22/2026
Updated: 6/23/2026
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.3
Percentile: 53.61
CVSS v2
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 4.4
Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:N
CVSS Score Source: CVE-2026-20246
CVSS v3
Risk Factor: Medium
Base Score: 6
Temporal Score: 5.2
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:umbrella_insights_virtual_appliance
Required KB Items: Settings/ParanoidReport
Exploit Ease: No known exploits are available
Patch Publication Date: 6/17/2026
Vulnerability Publication Date: 6/17/2026
Reference Information
CVE: CVE-2026-20246