What’s Vulnerable › Vulnerabilities

CVE-2020-5180

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-14 · updated 2026-06-17

Description

Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)

Affected products

• Viscosity: 1.8.2

References

• https://www.sparklabs.com/blog/viscosity-for-mac-windows-version-1-8-4/
• https://www.sparklabs.com/blog/viscosity-for-mac-windows-version-1-8-4/

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