CVSS 3.0
5.9 mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2016-6329
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.
Severity
- EPSS
- 5.9% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-200, CWE-310
- Published
- Modified
- Record from
- the NVD, synced
Affected
- openvpn:openvpn