CVE-2017-12166

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.14% Top 15%
Vendor Advisory openvpn.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166 patch vendor advisory
http://www.securityfocus.com/bid/101153 url repurposed vdb entry third party advisory
http://www.securitytracker.com/id/1039470 url repurposed vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-12166?
CVE-2017-12166 has been scored as a critical severity vulnerability.
How to fix CVE-2017-12166?
To fix CVE-2017-12166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12166 being actively exploited in the wild?
It is possible that CVE-2017-12166 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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