Name: CVE-2016-6329: Exposure of Sensitive Information to an Unauthorized Actor
Creator: Rapid7
Published: 2017-01-31T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-6329, CWE-200, CWE-310, CVSS 5.9, EPSS 0.0553

OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a "Sweet32" attack.

CVSS Details

CVSS 3.0 Base Score: 5.9
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux	—	Upgrade openvpn	Jul 1, 2017	Sep 27, 2016
Debian	—	No solution exists	May 15, 2025	May 15, 2025
Gentoo Linux	—	Upgrade net-misc/openvpn.	Oct 30, 2017	Jan 31, 2017
Suse	—	Upgrade openvpnUpgrade openvpn-auth-pam-plugin	Jun 20, 2017	Jan 31, 2017
Ubuntu	—	Upgrade openvpn	Jun 23, 2017	Jan 31, 2017

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CVSS Details

Covered by Rapid7

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