OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
http://www.securityfocus.com/bid/99230
http://www.securitytracker.com/id/1038768
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243
Source: MITRE
Published: 2017-06-27
Updated: 2017-07-07
Type: CWE-476
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM