CVE-2017-12166
openvpn - security update
9.8
CRITICAL
CVSS 3.1
EPSS 1.00%
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.
How to fix CVE-2017-12166
To remediate CVE-2017-12166, upgrade the affected package to a fixed version below.
- Debian/openvpn—upgrade to 2.4.4-1 or later
- Debian/openvpn—upgrade to 2.4.0-6+deb9u4 or later
Is CVE-2017-12166 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.4.4-1
- from 0, < 2.4.0-6+deb9u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |