What is CVE-2021-3606?

CVE-2021-3606 is a high-severity vulnerability in Microsoft Windows, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-07-02.

How severe is CVE-2021-3606?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-3606 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

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 the same privilege level as the main Ope…

EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows
Openvpn
N/a Openvpn-gui — versions 2.5.2 and prior releases

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

Public proof-of-concept exploits

References

security@openvpn.net (x_refsource_MISC, Vendor Advisory)
security@openvpn.net (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3606?: CVE-2021-3606 is a high-severity vulnerability in Microsoft Windows, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-07-02.
How severe is CVE-2021-3606?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-3606 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.