Vulnerability CVE-2021-4234


Published: 2022-07-06   Modified: 2022-07-07

Description:
OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.

Type:

NVD-CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Openvpn -> Openvpn access server 

 References:
https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0

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