7.4
CVE-2021-3547
- EPSS 0.05%
- Published 12.07.2021 11:15:08
- Last modified 21.11.2024 06:21:48
- Source security@openvpn.net
- Teams watchlist Login
- Open Login
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.
Data is provided by the National Vulnerability Database (NVD)
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
Type | Source | Score | Percentile |
---|---|---|---|
EPSS | FIRST.org | 0.05% | 0.136 |
Source | Base Score | Exploit Score | Impact Score | Vector string |
---|---|---|---|---|
nvd@nist.gov | 7.4 | 2.2 | 5.2 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
|
nvd@nist.gov | 5.8 | 8.6 | 4.9 |
AV:N/AC:M/Au:N/C:P/I:P/A:N
|
CWE-295 Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
CWE-305 Authentication Bypass by Primary Weakness
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.