Vulnerability Database

300,445

Total vulnerabilities in the database

CVE-2017-7478

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.

  • Published: May 15, 2017
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-7478
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
openvpn / openvpn 2.4.0 2.4.0.x
openvpn / openvpn 2.4.0-beta1 2.4.0-beta1.x
openvpn / openvpn 2.3.12 2.3.12.x
openvpn / openvpn 2.4.0-rc1 2.4.0-rc1.x
openvpn / openvpn 2.4.0-beta2 2.4.0-beta2.x
openvpn / openvpn 2.4.0-alpha2 2.4.0-alpha2.x
openvpn / openvpn 2.3.14 2.3.14.x
openvpn / openvpn 2.4.1 2.4.1.x
openvpn / openvpn 2.3.13 2.3.13.x
openvpn / openvpn 2.4.0-rc2 2.4.0-rc2.x