CVE-2021-27406 is a critical vulnerability affecting PerFact OpenVPN-Client versions 1.4.1.0 and earlier. An attacker can exploit this by sending a crafted config command from a local application, forcing the back-end server to initialize a new OpenVPN instance with arbitrary configurations. This can lead to remote code execution with SYSTEM user privileges, as indicated by its CVSS score of 8.8 (High). While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.4.1.0CPE matchmatch criteria | cpe:2.3:a:perfact:openvpn-client:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.