CVE-2017-7479 describes a denial-of-service vulnerability affecting OpenVPN versions prior to 2.3.15 and 2.4.2. An authenticated attacker can trigger a reachable assertion by causing the packet-ID counter to roll over, leading to server unavailability. This medium-severity flaw has a CVSS score of 6.5, indicating a low attack complexity and high impact on availability, but no impact on confidentiality or integrity. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.3.14CPE 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:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.