CVE-2017-12166
CRITICAL
9.8
CVSS Score
Published: October 3, 2017 at 07:00 PM UTC
Updated: June 17, 2026 at 01:02 AM UTC
2 products affected across 2 vendorsDebian LinuxOpenVPN
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
VDB Entryx_refsource_BIDThird Party AdvisoryURL Repurposed
Source: [email protected]
http://www.securityfocus.com/bid/101153VDB Entryx_refsource_SECTRACKThird Party AdvisoryURL Repurposed
Source: [email protected]
http://www.securitytracker.com/id/1039470x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card