CVE-2023-27395 CRITICAL

CVE-2023-27395

Vendor Softether Vpn
Product SoftEther VPN
Weakness CWE-122
Published October 12, 2023
Last update August 2, 2024

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Key dates

02Disclosure timeline

October 12, 2023 CVE published
August 2, 2024 Record updated