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CVE-2023-31192

Published: Oct 12, 2023Updated: Nov 4, 2025 Sources: CVE List NVDCWE-457
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.8%
Top 47.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-457CWE-908

Affected Products

SoftEther VPNSoftEther VPN
Mixed
Networking Infrastructure / vpn-gateway
vpnsoftether
On-prem
Networking Infrastructure / vpn-gateway
softether vpnoss-projectJPNetworking Infrastructureaka softether
softetheross-projectNetworking Infrastructureaka softether vpn, softether vpn server

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1768
talosintelligence.com
https://www.softether.org/9-about/News/904-SEVPN202301
softether.org
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1768
talosintelligence.com

Timeline

Published
Oct 12, 2023
Last Updated
Nov 4, 2025

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