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HIGH · 7.8

CVE-2021-3606

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with t...

Vulnerability Description

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
OpenvpnOpenvpn< 2.5.3
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-427

References

FAQ

What is CVE-2021-3606?

CVE-2021-3606 is a vulnerability with a CVSS score of 7.8 (HIGH). OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with t...

How severe is CVE-2021-3606?

CVE-2021-3606 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3606?

Check the references section above for vendor advisories and patch information. Affected products include: Openvpn Openvpn, Microsoft Windows.