Improper Communication Channel Restriction in Synology SSL VPN Client
CVE-2018-8929

7.3HIGH

Key Information:

Vendor

Synology
Status
Ssl Vpn Client
Vendor
CVE Published:
6 July 2018

What is CVE-2018-8929?

The Synology SSL VPN Client is susceptible to an improper restriction of the communication channel vulnerability, allowing remote attackers to exploit this flaw. By crafting a specific payload, an attacker can execute man-in-the-middle attacks, intercepting and potentially modifying traffic between the user and intended endpoints. This poses significant risks to the confidentiality and integrity of sensitive information transmitted through the VPN.

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Affected Version(s)

SSL VPN Client < 1.2.4-0224

References

https://www.synology.com/en-global/support/security/Synol...
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CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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