Denial of Service (DoS) Affecting openvpn package, versions [,2.0.1)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.42% (87th percentile)

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  • Snyk IDSNYK-UNMANAGED-OPENVPN-2319225
  • published14 Dec 2021
  • disclosed24 Aug 2005
  • creditUnknown

Introduced: 24 Aug 2005

CVE-2005-2534  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade openvpn to version 2.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service (server crash) via simultaneous TCP connections from multiple clients that use the same client certificate.

References

CVSS Scores

version 3.1