CVE-2021-3547

OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:openvpn:openvpn:3.6:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:3.6.1:*:*:*:*:*:*:*

History

27 Oct 2022, 12:22

Type Values Removed Values Added
CWE CWE-287 CWE-295

15 Jul 2021, 18:55

Type Values Removed Values Added
CPE cpe:2.3:a:openvpn:openvpn:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:3.6:*:*:*:*:*:*:*
CWE CWE-287
CVSS v2 : unknown
v3 : unknown
v2 : 5.8
v3 : 7.4
References (MISC) https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements - (MISC) https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements - Vendor Advisory
References (MISC) https://community.openvpn.net/openvpn/wiki/CVE-2021-3547 - (MISC) https://community.openvpn.net/openvpn/wiki/CVE-2021-3547 - Patch, Vendor Advisory

12 Jul 2021, 11:45

Type Values Removed Values Added
New CVE

Information

Published : 2021-07-12 11:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-3547

Mitre link : CVE-2021-3547

CVE.ORG link : CVE-2021-3547


JSON object : View

Products Affected

openvpn

  • openvpn
CWE
CWE-295

Improper Certificate Validation

CWE-305

Authentication Bypass by Primary Weakness