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CVE-2018-8929

Quick assessment

Affected
Synology SSL VPN Client
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.

Synology SSL VPN Client是群晖科技（Synology）公司的一款用于连接内部加密网络的VPN客户端软件。 Synology SSL VPN Client 1.2.4-0224之前版本中的HTTP守护进程存在安全漏洞，该漏洞源于程序没有对到达端点的通信通道执行正确的限制。远程攻击者可借助特制的载荷利用该漏洞实施中间人攻击。

AI Predicted 9.1 Difficulty: Easy EPSS 0.75% · P55

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2018-8929

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper restriction of communication channel to intended endpoints vulnerability in HTTP daemon in Synology SSL VPN Client before 1.2.4-0224 allows remote attackers to conduct man-in-the-middle attacks via a crafted payload.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Synology SSL VPN Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology SSL VPN Client是群晖科技（Synology）公司的一款用于连接内部加密网络的VPN客户端软件。 Synology SSL VPN Client 1.2.4-0224之前版本中的HTTP守护进程存在安全漏洞，该漏洞源于程序没有对到达端点的通信通道执行正确的限制。远程攻击者可借助特制的载荷利用该漏洞实施中间人攻击。
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 SSL VPN Client unspecified ~ 1.2.4-0224 -

II. Public POCs for CVE-2018-8929

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III. Intelligence Information for CVE-2018-8929

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Other References for CVE-2018-8929 (1)

IV. Related Vulnerabilities

Same product: SSL VPN Client
Same vendor: Synology
Same weakness: CWE-319