CVE-2025-0309: Netskope Client

Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days.

An insufficient validation on the server connection endpoint in Netskope Client allows local users to elevate privileges on the system. The insufficient validation allows Netskope Client to connect to any other server with Public Signed CA TLS certificates and send specially crafted responses to elevate privileges.

Affected products

• Netskope Netskope Client: before 129.0.0 (fixed in 129.0.0)

Published 2025-08-14. Last modified 2026-06-17.