Privilege escalation in Cisco Umbrella Enterprise Roaming Client - CVE-2018-0438
Published: September 6, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU14679
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-0438
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Umbrella Enterprise Roaming Client
Cisco Umbrella Enterprise Roaming Client
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to improper implementation of file system permissions. A local attacker can place an executable file within the restricted directory, which when executed by the ERC client, would run with Administrator privileges.
How to mitigate CVE-2018-0438
Update Cisco Umbrella ERC to version 2.1.127.