CVE-2017-12166
9.8
CRITICAL · CVSS 3.1 · EPSS 3.6% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.63% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-10-04 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| openvpn | openvpn |
References
- http://www.securityfocus.com/bid/101153
- http://www.securitytracker.com/id/1039470
- https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
- https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
- http://www.securityfocus.com/bid/101153
- http://www.securitytracker.com/id/1039470
- https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
- https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
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