CVE-2021-27406

PerFact OpenVPN-Client

Published Oct 14, 2022 CVSS 3.1 · 8.8 High EPSS 1.2% KEV · Not listed
Description
An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user.

Remediation

Vendor Solution

PerFact has released Version 1.6.0, which mitigates this vulnerability.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-14160 An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Apr 16, 2025, 5:46 PM
Reserved
Feb 19, 2021, 12:00 AM
Status
Modified
Published
Oct 14, 2022, 5:15 PM
Modified
Jun 17, 2026, 3:44 AM