CVE-2017-12166

moderate-risk
Published 2017-10-04

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.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Openvpn Debian

References (8)

Third Party Advisory http://www.securityfocus.com/bid/101153
Third Party Advisory http://www.securitytracker.com/id/1039470
Patch https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
Mailing List https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
Third Party Advisory http://www.securityfocus.com/bid/101153
Third Party Advisory http://www.securitytracker.com/id/1039470
Patch https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
Mailing List https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
44
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 5/34 · Minimal
Exposure 7/34 · Low