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CVE-2023-27395

Published: Oct 12, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-122
NVD MITRE
9.0CVSSCRITICAL
EPSS Score
1.4%
Top 30.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-122CWE-787

Affected Products

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

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

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1735
talosintelligence.com
https://www.softether.org/9-about/News/904-SEVPN202301
softether.org
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1735
talosintelligence.com

Timeline

Published
Oct 12, 2023
Last Updated
Nov 21, 2024

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