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CVE-2022-43931

Quick assessment

Affected
Synology VPN Plus Server
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Synology VPN Plus Server是中国群晖科技（Synology）公司的用于将Synology Router 变成先进的虚拟专用网络服务器。 Synology VPN Plus Server 1.2版本至1.4.3-0534之前版本、1.3版本至1.4.4-0635之前版本存在缓冲区错误漏洞，该漏洞源于远程桌面功能中存在越界写入漏洞。攻击者利用该漏洞通过未指定的向量执行任意命令。

CVSS 10.0 · Critical EPSS 16.84% · P97

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-43931

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Synology VPN Plus Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology VPN Plus Server是中国群晖科技（Synology）公司的用于将Synology Router 变成先进的虚拟专用网络服务器。 Synology VPN Plus Server 1.2版本至1.4.3-0534之前版本、1.3版本至1.4.4-0635之前版本存在缓冲区错误漏洞，该漏洞源于远程桌面功能中存在越界写入漏洞。攻击者利用该漏洞通过未指定的向量执行任意命令。
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
Synology VPN Plus Server * ~ 1.4.4-0635 -

II. Public POCs for CVE-2022-43931

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III. Intelligence Information for CVE-2022-43931

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Other References for CVE-2022-43931 (1)

IV. Related Vulnerabilities

Same vendor: Synology

V. Comments for CVE-2022-43931

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