VULNERABILITY INTELLIGENCE

CVE-2023-27395

CVSS score9 CRITICAL
EPSS probability1.54%
CISA KEVNot currently listed
Published2023-10-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

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.

Weakness classification

  • talos-cna@cisco.com: CWE-122
  • nvd@nist.gov: CWE-787

Primary references