CVE-2017-7520 is a denial-of-service and potential sensitive memory leak vulnerability affecting OpenVPN versions prior to 2.4.3 and 2.3.17. A remote man-in-the-middle attacker can trigger this flaw, leading to high impact on both confidentiality and availability. While rated as a high severity vulnerability with a CVSS score of 7.4, there is no public exploit code available, nor is it listed on the CISA KEV catalog. Community discussion and media coverage are minimal, suggesting limited active exploitation or widespread attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.3.16CPE matchmatch criteria | cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* | ||
2.4.0CPE matchmatch criteria | cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:* | ||
2.4.0CPE matchmatch criteria | cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:* | ||
2.4.0CPE matchmatch criteria | cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:* | ||
2.4.0CPE matchmatch criteria | cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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.