Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-25774

Quick assessment

Affected
SoftEther VPN SoftEther VPN
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SoftEther VPN是一款开源的跨平台多协议VPN（虚拟专用网络）应用程序。 SoftEther VPN 5.02版本存在资源管理错误漏洞，该漏洞源于vpnserver ConnectionAccept() 函数中存在拒绝服务漏洞，攻击者利用该漏洞可以发送特制的网络数据包导致拒绝服务。

CVSS 7.5 · High EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-25774

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service vulnerability exists in the vpnserver ConnectionAccept() functionality of SoftEther VPN 5.02. A set of specially crafted network connections can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
SoftEther VPN 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SoftEther VPN是一款开源的跨平台多协议VPN（虚拟专用网络）应用程序。 SoftEther VPN 5.02版本存在资源管理错误漏洞，该漏洞源于vpnserver ConnectionAccept() 函数中存在拒绝服务漏洞，攻击者利用该漏洞可以发送特制的网络数据包导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SoftEther VPN SoftEther VPN 5.01.9674 -

II. Public POCs for CVE-2023-25774

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-25774

请登录查看更多情报信息。

Other References for CVE-2023-25774 (1)

Same Patch Batch · SoftEther VPN · 2023-10-12 · 9 CVEs total

CVE-2023-27395 9.0 CRITICAL SoftEther VPN 缓冲区错误漏洞
CVE-2023-32634 7.8 HIGH SoftEther VPN 安全漏洞
CVE-2023-23581 7.5 HIGH SoftEther VPN 缓冲区错误漏洞
CVE-2023-22308 7.5 HIGH SoftEther VPN 数字错误漏洞
CVE-2023-27516 7.3 HIGH SoftEther VPN 安全漏洞
CVE-2023-22325 5.9 MEDIUM SoftEther VPN 安全漏洞
CVE-2023-32275 5.5 MEDIUM SoftEther VPN 信息泄露漏洞
CVE-2023-31192 5.3 MEDIUM SoftEther VPN 信息泄露漏洞

IV. Related Vulnerabilities

Same product: SoftEther VPN
Same vendor: SoftEther VPN
Same weakness: CWE-400

V. Comments for CVE-2023-25774

No comments yet

Leave a comment