CVE-2018-4009: Shimovpn Shimo VPN

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An exploitable privilege escalation vulnerability exists in the Shimo VPN helper service due to improper validation of code signing. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine to successfully exploit this bug.

Affected products

• Shimovpn Shimo VPN: version 4.1.5.1 only

Published 2019-04-15. Last modified 2026-06-17.