Description
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
References (4)
Core 4
Core References
Patch, Vendor Advisory x_refsource_misc
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
Third Party Advisory, VDB Entry, URL Repurposed vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/101153
Third Party Advisory, VDB Entry, URL Repurposed vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039470
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
Scores
CVSS v3
9.8
EPSS
0.0363
EPSS Percentile
88.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (2)
debian/debian_linux
9.0
openvpn/openvpn
< 2.3.18
Published
Oct 04, 2017
Tracked Since
Feb 18, 2026