CVE-2021-27406

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01	Third Party Advisory US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:perfact:openvpn-client:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:57

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01 - Third Party Advisory, US Government Resource~~	() https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01 - Third Party Advisory, US Government Resource

18 Oct 2022, 13:38

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CWE		CWE-610
CPE		cpe:2.3:a:perfact:openvpn-client::::::::
References	~~(CONFIRM) https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01 -~~	(CONFIRM) https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01 - Third Party Advisory, US Government Resource

14 Oct 2022, 17:39

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-10-14 17:15

Updated : 2024-11-21 05:57

NVD link : CVE-2021-27406

Mitre link : CVE-2021-27406

CVE.ORG link : CVE-2021-27406

JSON object : View

Products Affected

perfact

openvpn-client

CWE

CWE-15

External Control of System or Configuration Setting

CWE-610

Externally Controlled Reference to a Resource in Another Sphere

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