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Vulnerability record · CVE-2018-4010 · published 7 September 2018

CVE-2018-4010: Protonvpn os command injection vulnerability

Protonvpn · Protonvpn

An exploitable code execution vulnerability exists in the connect functionality of ProtonVPN VPN client 1.5.1. A specially crafted configuration file can cause a privilege escalation, resulting in the ability to execute arbitrary commands with the system's privileges.

7.8 CVSS 3.1 High EPSS 5.0% · top 8.0% CWE-78 · OS command injection
7.8CVSS 3.1 base score, v2 9.3
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An exploitable code execution vulnerability exists in the connect functionality of ProtonVPN VPN client 1.5.1. A specially crafted configuration file can cause a privilege escalation, resulting in the ability to execute arbitrary commands with the system's privileges.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105319 Broken LinkThird Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0679 ExploitThird Party Advisory
http://www.securityfocus.com/bid/105319 Broken LinkThird Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0679 ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-4010), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.