CVE-2023-31192: Softether VPN

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in the ClientConnect() functionality of SoftEther VPN 5.01.9674. A specially crafted network packet can lead to a disclosure of sensitive information. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Affected products

• Softether VPN: version 5.01.9674 only

Published 2023-10-12. Last modified 2026-06-17.