Man-in-the-Middle (MitM) attack in SoftEther VPN - CVE-2023-32634
Published: July 3, 2023
Vulnerability identifier: #VU77848
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-32634
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to using insecure protocols. A remote attacker can perform a man-in-the-middle attack on communication between the administrator and the VPN Client process.
Affected software
SoftEther VPN
How to mitigate CVE-2023-32634
Install updates from vendor's website.
SoftEther VPN - update to 4.42 9798