by Kastro
Paper/Archive/CVE-2023-27395

CVE-2023-27395

SoftEther VPN SoftEther VPN — A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9…

EPSS 2%CVSS 9.0
critical.is priorityof 100
42
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 75.0.750 × 2015.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SoftEther VPN4.41-9782-beta–CNA
SoftEther VPN5.01.9674–CNA
SoftEther VPN5.02–CNA
softether_vpn4.41-9782-beta–CISA-ADP
softether_vpn5.01.9674–CISA-ADP
softether_vpn5.02–CISA-ADP

Scores by source

talos (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2023-1735refsoftether.org/9-about/News/904-SEVPN202301reftalosintelligence.com/vulnerability_reports/TALOS-2023-1735