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.
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0054}

epss

{'score': 0.00536}


cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published: 2022-07-06T19:10:17

Updated: 2024-08-03T17:23:09.056Z

Reserved: 2022-07-01T00:00:00

Link: CVE-2021-4234

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-07-06T20:15:08.127

Modified: 2024-11-21T06:37:12.167

Link: CVE-2021-4234

cve-icon Redhat

No data.