What’s Vulnerable › Vulnerabilities

CVE-2019-16000: Cisco Umbrella Roaming Client for Windows Install Vulnerability

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-23 · updated 2026-06-17
• Weakness: CWE-345

Description

A vulnerability in the automatic update process of Cisco Umbrella Roaming Client for Windows could allow an authenticated, local attacker to install arbitrary, unapproved applications on a targeted device. The vulnerability is due to insufficient verification of the Windows Installer. An attacker could exploit this vulnerability by placing a file in a specific location in the Windows file system. A successful exploit could allow the attacker to bypass configured policy and install unapproved applications.

Affected products

• Cisco Umbrella Enterprise Roaming Client for Windows: 2.2.238

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-umbrella-msi-install
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-umbrella-msi-install

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