CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
EPSS
Percentile
77.9%
The OpenVPN project reports:
OpenVPN 2.3.0 and earlier running in UDP mode are subject
to chosen ciphertext injection due to a non-constant-time
HMAC comparison function.