Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-12166

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.

Published

2017-10-04T01:29:02.090

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openvpn	openvpn	< 2.3.18	Yes
Application	openvpn	openvpn	< 2.4.4	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.securityfocus.com/bid/101153 Third Party Advisory, VDB Entry, URL Repurposed ([email protected])
http://www.securitytracker.com/id/1039470 Third Party Advisory, VDB Entry, URL Repurposed ([email protected])
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166 Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/101153 Third Party Advisory, VDB Entry, URL Repurposed (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039470 Third Party Advisory, VDB Entry, URL Repurposed (af854a3a-2127-422b-91ae-364da2661108)
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)