CVE-2023-31192 MEDIUM

CVE-2023-31192

Vendor Softether Vpn
Product SoftEther VPN
Weakness CWE-457
Published October 12, 2023
Last update November 4, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 12, 2023 CVE published
November 4, 2025 Record updated