CVE-2018-18656

Severity: high (CVSS 7.8 v3.0)
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: yes
Published: 2018-10-26 · updated 2026-06-17
Weakness: CWE-522

Description

The PureVPN client before 6.1.0 for Windows stores Login Credentials (username and password) in cleartext. The location of such files is %PROGRAMDATA%\purevpn\config\login.conf. Additionally, all local users can read this file.

Affected products

PureVPN: before 6.1.0 — fixed in 6.1.0

How to fix

Upgrade to a fixed version: PureVPN 6.1.0. Check the vendor advisory for mitigations.

References

https://www.trustwave.com/Resources/SpiderLabs-Blog/Credential-Leak-Flaws-in-Windows-PureVPN-Client/
https://www.trustwave.com/Resources/SpiderLabs-Blog/Credential-Leak-Flaws-in-Windows-PureVPN-Client/

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