CVE-2013-2061

LowCVSS 2.6/10Last modified Jun 16, 2026

Description

The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.

Metrics

CVSS 2.0 2.6/10AV:N/AC:H/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published
Nov 18, 2013
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2013-2061: Low severity, CVSS 2.6 | Vulnix